Search

CN-122024407-A - Disaster monitoring method and device for cultural heritage

CN122024407ACN 122024407 ACN122024407 ACN 122024407ACN-122024407-A

Abstract

The embodiment of the invention provides a disaster monitoring method and device for cultural heritage places, comprising the steps of collecting cultural relic ontology structure monitoring data and environment stress data in real time, and carrying out disaster risk assessment if the current moment meets a risk assessment triggering condition, wherein the disaster risk assessment comprises the steps of calculating an ontology vulnerability index according to the latest cultural relic ontology structure monitoring data, calculating a disaster risk index according to the latest environment stress data, calculating a loss severity index according to preset cultural relic attribute data, and then carrying out comprehensive assessment according to the ontology vulnerability index, the disaster risk index and the loss severity index to determine a disaster risk level. According to the technical scheme, dynamic vulnerability calculation is driven through monitoring data, fixed experience values are replaced, real-time risk updating is achieved, specific planning measures are automatically provided according to risk grades through a preset knowledge base, manual conversion is not needed, and therefore evaluation accuracy and planning efficiency are improved.

Inventors

  • WANG YICUN
  • TAN DAOQIANG
  • YAN WEI
  • WANG DANDAN
  • SHAO RUI
  • Song Meitong
  • YUAN JINGQING
  • LIU ZHIQIANG
  • Chen Diangan
  • ZHANG ZHIGE
  • LI FANGNING
  • GAO AILIN
  • JIANG ZE
  • FAN YIRU
  • REN GAN

Assignees

  • 北京城建勘测设计研究院有限责任公司

Dates

Publication Date
20260512
Application Date
20251208

Claims (10)

  1. 1. A method for monitoring a disaster in a cultural heritage area, comprising: Collecting cultural heritage cultural relic ontology structure monitoring data and environmental stress data in real time; Judging whether the current moment meets the risk assessment triggering condition or not, if so, carrying out disaster risk assessment; The disaster risk assessment method comprises the steps of calculating a body vulnerability index according to the latest historical relic body structure monitoring data, calculating a disaster risk index according to the latest environmental stress data, calculating a loss severity index according to the preset historical relic attribute data, and comprehensively assessing through the body vulnerability index, the disaster risk index and the loss severity index to determine a disaster risk level.
  2. 2. The method for monitoring a disaster in a cultural heritage according to claim 1, further comprising sending warning information to a predetermined terminal when the disaster risk level changes.
  3. 3. The method for monitoring a disaster in a cultural heritage according to claim 1, further comprising the steps of formulating a space planning measure and visually displaying the space planning measure if the disaster risk level obtained by evaluation is high.
  4. 4. The method for monitoring disasters in cultural heritage points as defined in claim 3, wherein the step of making space planning measures specifically comprises: determining the current disaster type, wherein the disaster type comprises cultural relic body structural damage, fire disaster, landslide and earthquake; Finding out an item to be improved by combining the disaster type and the cultural heritage space data, wherein the cultural heritage space data is three-dimensional model data of the cultural heritage; And matching the disaster type and the item to be improved with a preset knowledge base to determine the current space planning measure, wherein the knowledge base comprises a plurality of rules, and each rule is used for describing the corresponding relation among the disaster type, the item to be improved and the space planning measure.
  5. 5. The method for monitoring a disaster in a cultural heritage area according to claim 4, wherein the step of visually displaying the space planning measure comprises the following steps: The method comprises the steps of constructing a disaster prevention planning chart formed by layering a base chart layer, a risk level chart layer, a planning measure chart layer, a monitoring point chart layer and a version information chart layer, and visually displaying the disaster prevention planning chart, wherein the base chart layer is determined through three-dimensional model data, the risk level chart layer is used for displaying disaster risk levels of cultural heritage places, the planning measure chart layer is used for displaying space planning measures, the monitoring point chart layer is used for displaying a collection device of cultural relic body structure monitoring data and a collection device of environmental stress data, and the version information chart layer is used for displaying a current version number, update time and a risk evaluation triggering reason.
  6. 6. The method of claim 1, wherein the cultural relic ontology structure monitoring data comprises strain measurement data, crack propagation data, vibration frequency; the body vulnerability index is calculated according to the latest cultural relic body structure monitoring data, and is carried out by adopting the following formula: V= γ×S + δ×C + ε×F, Wherein V is a bulk vulnerability index, S is a structural strain state, C is a crack propagation feature, F is a vibration frequency change rate, γ is a first weight, δ is a second weight, δ is a third weight, and γ+δ+ε=1; S=strain measurement data/strain allowance, C = crack propagation data/safety threshold, F= |vibration frequency-initial vibration frequency|/initial vibration frequency.
  7. 7. The method for monitoring a disaster in a cultural heritage point according to claim 1, wherein the method comprises the step of comprehensively evaluating the ontology vulnerability index, the disaster risk index and the loss severity index to determine a disaster risk level, and the method comprises the following steps: inputting the body vulnerability index, the disaster risk index and the loss severity index into a pre-trained Bayesian network, and obtaining a comprehensive risk value through Bayesian reasoning; And matching the comprehensive risk value with a preset grading rule to obtain a current disaster risk grade, wherein the grading rule is used for expressing the corresponding relation between the comprehensive risk value and the disaster risk grade.
  8. 8. The method of claim 1, wherein the environmental stress data includes geological disaster data, meteorological data, and fire risk data; the calculating the disaster risk index according to the latest environmental stress data specifically comprises the following steps: A Monte Carlo simulation algorithm is adopted, and disaster occurrence probability P is obtained according to the environmental stress data; matching the environmental stress data with a preset disaster intensity dividing standard to determine a disaster intensity quantitative value I; the disaster risk index H is calculated using the following formula: H = α×P + β×I, wherein α is a fourth weight coefficient, and β is a fifth weight coefficient; the cultural relic attribute data comprise cultural relic protection grades, annual trip passenger volumes and cultural relic restoration costs; The loss severity index is calculated according to the preset cultural relic attribute data, and the loss severity index is calculated according to the following formula: L = λ×L1 + μ×L2 + ν×L3, wherein L is a loss severity index, L1 is a quantized value of the cultural relic protection level, L2 is an economic value, L3 is a social value, lambda is a sixth weight coefficient, mu is a seventh weight coefficient, and v is an eighth weight coefficient; l2=cultural relic repair cost/benchmark cost; l3=annual volume of tourists/10 ten thousand.
  9. 9. The method for monitoring a disaster in a cultural heritage point according to claim 1, wherein the judging whether the current moment meets a risk assessment triggering condition is performed by adopting the following modes: Determining whether key monitoring data exceeding an early warning threshold exists at the current moment, if yes, judging that the current moment meets a risk evaluation triggering condition, if not, further judging whether the time difference between the current moment and the last disaster risk evaluation meets a preset time interval, and if yes, judging that the current moment meets the risk evaluation triggering condition, wherein the key monitoring data is at least one of cultural relic body structure monitoring data and environment stress data.
  10. 10. A disaster monitoring device for cultural heritage, comprising: the sensor is used for collecting cultural heritage cultural relic body structure monitoring data and environmental stress data in real time; the evaluation condition judging unit is used for judging whether the current moment meets the risk evaluation triggering condition or not, and if yes, the disaster risk evaluation is carried out through the disaster risk level calculating unit; The disaster risk level assessment unit is used for calculating a body vulnerability index according to the latest historical relic body structure monitoring data, calculating a disaster risk index according to the latest environmental stress data, calculating a loss severity index according to the preset historical relic attribute data, and then comprehensively assessing through the body vulnerability index, the disaster risk index and the loss severity index to determine the disaster risk level.

Description

Disaster monitoring method and device for cultural heritage Technical Field The invention relates to the technical field of cultural relic management, in particular to a disaster monitoring method and device for cultural heritage. Background Cultural heritage is used as a core carrier for bearing historic veins and ethnic memory, and disaster prevention safety is directly related to the survival and inheritance of heritage. The China has a plurality of cultural heritage and cultural relics protection units at all levels, wherein a large amount of cultural heritage is distributed in areas with active geological structures and frequent meteorological disasters, such as ancient towns in Chuan Yunnan area face landslide and earthquake threats, ancient buildings in Jiangnan water and rural areas are susceptible to attack by floods and fires, and northwest grotto mosque is subjected to weathering and wind and sand damages. In recent years, extreme climate events and geological disasters frequently occur, and a plurality of times of damage time of cultural heritage places, such as ancient village damage and the like caused by torrential rain, are caused, so that the disaster prevention situation of the cultural heritage places is increasingly severe, and the importance of disaster prevention planning of the cultural heritage places is more highlighted. In the existing monitoring and evaluating system, the risk level is generally evaluated by three indexes of vulnerability index, loss index and disaster risk index of the cultural relic body. In carrying out the present invention, the inventors have found that at least the following problems exist in the prior art: The current disaster prevention planning still takes 'historical data statistics combined with expert experience judgment' as a core, and for vulnerability indexes of cultural relics, a preset fixed index is adopted, so that risk dynamic update cannot be realized, risk assessment is delayed from an actual safety state, and the accuracy of a final risk assessment result is not high enough. Therefore, how to adapt the vulnerability index of the cultural relic ontology to the dynamic change requirement of the cultural relic ontology state to obtain a more accurate risk level assessment result is a problem to be solved. Disclosure of Invention The embodiment of the invention provides a disaster monitoring method and device for cultural heritage places, which are used for obtaining more accurate risk level assessment results. In order to achieve the above purpose, on the one hand, the embodiment of the invention provides a disaster monitoring method for cultural heritage places, which comprises the steps of collecting cultural heritage place cultural heritage body structure monitoring data and environment stress data in real time, judging whether a current moment meets a risk assessment triggering condition, if yes, carrying out disaster risk assessment, wherein the step of disaster risk assessment comprises the steps of calculating a body vulnerability index according to the latest cultural heritage body structure monitoring data, calculating a disaster risk index according to the latest environmental stress data, calculating a loss severity index according to preset cultural heritage attribute data, and then carrying out comprehensive assessment through the body vulnerability index, the disaster risk index and the loss severity index, so as to determine a disaster risk level. On the other hand, the embodiment of the invention also provides a disaster monitoring device for cultural heritage places, which comprises a sensor, an evaluation condition judging unit, a disaster risk level evaluating unit and a disaster risk level evaluating unit, wherein the sensor is used for collecting cultural heritage place cultural heritage body structure monitoring data and environment stress data in real time, the evaluation condition judging unit is used for judging whether a current moment meets a risk evaluation triggering condition or not, if yes, disaster risk evaluation is carried out through the disaster risk level computing unit, the disaster risk level evaluating unit is used for computing a body vulnerability index according to latest cultural heritage body structure monitoring data, computing a disaster risk index according to latest environment stress data, computing a loss severity index according to preset cultural heritage attribute data, and then comprehensively evaluating through the body vulnerability index, the disaster risk index and the loss severity index, so that disaster risk level is determined. The technical scheme has the following beneficial effects: According to the technical scheme, dynamic vulnerability calculation is driven through the monitoring data, real-time monitoring data (strain, crack expansion and the like) of the cultural relic body structure are integrated into the vulnerability model, the vulnerability model replaces fixed experien