CN114297756A - BIM (building information modeling) scene construction method for security risk of earthquake occurring in extremely rare water conservancy project reservoir area - Google Patents
BIM (building information modeling) scene construction method for security risk of earthquake occurring in extremely rare water conservancy project reservoir area Download PDFInfo
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Abstract
The invention provides a BIM (building information modeling) scene construction method for safety risk of earthquake in rare accidents in a hydraulic engineering library area, which is based on a BIM technology and is used for establishing an engineering structure-field coupling foundation three-dimensional model by acquiring building engineering data, earthquake cell data and field data of a dam area and according to the data. Therefore, scene construction is carried out on the security risk of the earthquake which is extremely rare in the water conservancy project library area, a system capable of preventing is developed for the emergency response of the earthquake, so that the security risk of the earthquake is evaluated, and the purpose of reducing the damage of earthquake disasters is achieved.
Description
Technical Field
The invention relates to a BIM (building information modeling) scene construction method for security risk of earthquake in rare accidents in a hydraulic engineering library area, belonging to the field of ship lift maintenance.
Background
BIM is important in the technical engineering design, construction and operation management of building information models. Regional earthquake damage analysis is an important means for reducing urban earthquake damage. The origin of the BIM (building Information modeling) is from the building industry, however, with the development of public construction, the demand of visual management is not limited to buildings, and with the development of construction of subways, high-speed rails, urban comprehensive pipe galleries, mining industry, highways and the like, the building field is far from the application of the BIM in railway or other foundation construction in terms of fund scale. The infrastructure often has the characteristic of large area or spanning different terrains, so in the research aspect, in order to expand the application of BIM more widely, we are oriented to the integrated development of GIS-BIM, and the macro and micro of facility equipment management and asset management can meet the requirements, and can meet more BIM use units. The enterprise asset digitization is the basic work of industry 4.0, and in an asset intensive factory, the three-dimensional visual dynamic equipment management application is to construct a realistic three-dimensional simulation reality scene of the industry by applying three-dimensional simulation and virtual reality technology on the basis of a digital factory platform. The three-dimensional model of the enterprise assets and the information attributes are organically combined (industry data, audio, video and other streaming media). By adopting the information processing technology based on the network, the integrated monitoring management of the functions of asset operation monitoring, operation and control, comprehensive information analysis and intelligent alarm, operation management, auxiliary application (maintenance, security and environmental monitoring) and the like is realized, and the enterprise asset operation capacity is greatly improved. The three-dimensional visual dynamic equipment management platform converts three-dimensional GIS, three-dimensional CAD, BIM, three-dimensional factory and three-dimensional simulation models of different software manufacturers based on X3D (Extensible 3D-Extensible 3D) Extensible three-dimensional language and component technology, and the three-dimensional GIS, the three-dimensional CAD, the BIM, the three-dimensional factory and the three-dimensional simulation models are aggregated to form a unified X3D live-action simulation model. The X3D live-action simulation model continuously updates three-dimensional data and expands different types of data information, including: engineering data, asset data, process automation data, monitoring data, information system data, and can uniformly display geography, geology, building facilities, equipment assets, automation, monitoring and other extended information in a real-scene simulation space to generate higher-level operation control and cooperative management.
Earthquake is a serious natural disaster, has the characteristics of strong burst property, large destructiveness, wide range of involvement, large defense difficulty and the like, and in the development process of human society, a large number of buildings are destroyed in the earthquake to cause huge casualties and property loss, and earthquake resistance and disaster prevention are the permanent topics of the human society. Effective defense measures against earthquakes can reduce losses, presenting a regional disruption due to the complexity of the earthquake-induced disaster. However, most of the current regional earthquake damage analyses do not consider the interaction between the surrounding structure and the soil, namely the "field-engineering structure effect".
Disclosure of Invention
The invention aims to provide a BIM (building information modeling) scene construction method for the safety risk of earthquake in rare accidents in a hydraulic engineering library area. Therefore, scene construction is carried out on the security risk of the earthquake which is extremely rare in the water conservancy project library area, a system capable of preventing is developed for the emergency response of the earthquake, so that the security risk of the earthquake is evaluated, and the purpose of reducing the damage of earthquake disasters is achieved.
In order to achieve the technical features, the invention is realized as follows: a BIM (building information modeling) scene construction method for security risks of earthquake rarely encountered in reservoir areas of hydraulic engineering is characterized by comprising the following steps:
the method comprises the following steps: establishing a database, and establishing a coupling foundation three-dimensional model of the engineering field according to the database;
step two: forming a vulnerability assessment framework;
step three: determining the fault position of a seismic source according to the historical earthquake, active fault detection and risk identification results; establishing a rare earthquake source model according to earthquake wave time-course data input at a site bedrock, namely calculating load information;
step four: according to the load information, the site information and the building information obtained in the third step, the bottom acceleration input of the appointed building is obtained by updating the interaction force boundary of the soil body and the soil body dynamic response, the building dynamic response at the moment after earthquake is appointed, and the site ground surface motion response and the structure response scene based on the site-engineering structure effect are obtained;
step five: obtaining a structure damage scene and a risk level according to the structure response obtained in the fourth step and the vulnerability assessment result of the deep structure obtained by the vulnerability assessment frame in the second step;
step six: obtaining a high risk area according to the damage risk level of the structure and the real-time population thermodynamic distribution dynamics, and comparing and correcting the high risk area with the historical earthquake disaster evaluation result;
step seven: acquiring a secondary geological disaster high-risk area according to secondary disaster source distribution, earthquake landslide distribution data after earthquake and field surface motion acquired in the scene model in the third step;
step eight: and obtaining preliminary assessment of distribution damage of the lifeline project, the traffic line and the key targets according to the lifeline project, the traffic line and the key target distribution and the field ground surface movement obtained in the scene model in the step three.
The basic data of the database established in the first step comprise: basic geographic information, geological structure maps, seismic information, structure data, and BIM models.
The basic geographic information comprises landform, water system and vegetation information;
the geological map comprises an active formation profile and a quaternary geological profile;
the earthquake information comprises modern earthquake activity, earthquake zoning, an activity fault distribution map and disaster distribution, wherein the disaster distribution comprises sandy soil liquefaction and soft soil seismic subsidence;
the structure data comprises earthquake-resistant design, building structure and building time;
the BIM model comprises drilling hole modeling, stratum modeling, structure modeling and a three-dimensional model.
The specific operation of the second step is that the vulnerability results of the engineering structure and the dam area building are evaluated through different weights of various earthquake damage influence factors of the construction age, the current quality and the earthquake fortification standard, the evaluation results are divided into detailed and incomplete building data according to the existing data precision, and then a vulnerability evaluation frame is established; and performance division is carried out so as to carry out building component performance evaluation, and workers can carry out building vulnerability evaluation through information query and obtain building vulnerability and vulnerability of each component.
The emergency treatment comprises three parts, namely an advanced treatment stage, a site rescue and treatment stage and a social response stage;
the advanced treatment is as follows: the method comprises the steps of rapidly evaluating dam area earthquake disaster loss and reporting information based on a scene, constructing an emergency progress chain, obtaining an emergency task list, obtaining mobile equipment numbers of high-structure damage areas and casualty high-risk areas, sending nearest refuge place positions and evacuation warnings, reading corresponding emergency plans, and sending the corresponding emergency plans to nearest rescue, fire-fighting and medical institutions;
the field rescue and disposal stage comprises the following steps: reading a corresponding emergency plan, and sending the emergency plan to a corresponding lifeline, a traffic line and an important target emergency repair department;
the social response stage is as follows: and reading the corresponding emergency plan, and sending the emergency plan to corresponding public opinion handling, environmental protection and social rescue units.
The method is based on scene construction and emergency treatment, and aims to solve the problem that the engineering structure can have the capacity of reducing earthquake risks and losses under the condition of extremely rare earthquakes, and the most effective mode is to prevent and continuously improve and reinforce the existing building facilities.
The method for preventing the building damage in the extremely rare earthquake comprises the following specific steps:
based on the building damage scene, gradually updating and reinforcing the high-risk un-armored building;
providing a change suggestion for an un-armored or armored building in an active fault avoidance range based on the building damage scene;
even for a fortification structure, in the face of extremely rare earthquakes, most buildings are more than moderately damaged, and the buildings basically have no repair value or possibility;
and establishing simulation according to the situation, and adjusting the emergency plan.
The process for establishing the three-dimensional model of the coupling foundation of the engineering site in the first step is as follows: firstly, establishing a database; based on BIM three-dimensional model display analysis: drilling in a standard library, and performing unified sequence division according to drilling data; the drilling data standardized by the system is used as modeling original data, and the business function of modeling and space application analysis is realized based on Revit; the modeling adopts an irregular triangulation network to form a stratum interface, the generated stratum curved surface is subjected to smooth processing based on interpolation algorithms such as linear interpolation, minimum distance inverse interpolation and the like, then the stratum data are used for generating a geologic body, and the structure information is input to establish a three-dimensional coupling model; each graphic element of the BIM model has detailed attribute information, so that the excavation process of a foundation pit and a tunnel can be conveniently simulated in the model, the excavation earthwork amount is counted, the regional stratum statistical parameters and the structure information are calculated, and designers can conveniently design and optimize the scheme.
The vulnerability evaluation framework in the second step is used for carrying out vulnerability evaluation by using FEMA P-58 and extracting knowledge information by using the evaluation framework so as to obtain the data of the structure; carrying out risk analysis on the field according to the active fault distribution map to obtain field load information under the condition of extremely rare earthquakes; performing soil layer reaction analysis on the obtained information to obtain field ground surface motion response and structure response scenes based on a field-engineering structure effect; therefore, the earthquake risk distribution of the site can be obtained, the earthquake risk grades of the site under different distribution conditions form a distribution diagram, and the earthquake resistance is evaluated according to the position distribution of the built project, so that the safety performance of the project reservoir area is ensured.
The emergency disposal part mainly forms a system architecture through a BIM scene construction model and a GIS technology, the system architecture is used for acquiring and analyzing safety monitoring data in real time in the engineering operation period and feeding back the analysis result in time to improve the safety management efficiency of sluice operation, the system architecture is used for constructing a sluice three-dimensional BIM model by using the advantages of the BIM technology, associating and binding a monitoring instrument, monitoring information and early warning information with the BIM model, and realizing the three-dimensional visual display of a sluice body model and various kinds of information; integrating the constructed BIM model into a GIS three-dimensional geographic space scene, and realizing the visual display of the geographic information of the model and the early warning disposal information by utilizing the advantages of the GIS in the aspects of topographic features, the description of the engineering space position and the data analysis and processing of the geographic space; the monitoring information management comprises instrument information management, monitoring point real-time monitoring and monitoring data analysis; the instrument information management realizes the unified management of the monitoring instruments, including the addition, deletion and replacement of the instruments, the maintenance of the instruments and the fault registration; the monitoring points can monitor and analyze the monitoring data collected by the instruments arranged on the brake body in real time, dynamically monitor and analyze the monitoring data in real time, and give an alarm in time when abnormal conditions occur; the early warning disposal management realizes the management and feedback of the warning information, and comprises monitoring point abnormity management, early warning management, emergency disposal and information release; the monitoring point abnormity management is to select specific engineering measures or means for processing according to reasons for generating abnormity; the early warning management is to uniformly manage the generated warning information in a set of specific processes, and comprises the steps of determining early warning levels, examining and approving the processes and issuing early warning notices; the emergency disposal is to make engineering measures and means in a targeted manner according to the types and severity of the police conditions and organize and implement emergency rescue; the information issuing realizes timely issuing of various warning information and notice bulletins.
The invention has the following beneficial effects:
1. the method is based on BIM technology, and is characterized by collecting dam area construction engineering data, earthquake subdistrict data and field data, and establishing an engineering structure-field coupling foundation three-dimensional model according to the data. Therefore, scene construction is carried out on the security risk of the earthquake which is extremely rare in the water conservancy project library area, a system capable of preventing is developed for the emergency response of the earthquake, so that the security risk of the earthquake is evaluated, and the purpose of reducing the damage of earthquake disasters is achieved.
2. The emergency disposal part mainly forms a system framework through a BIM scene construction model and a GIS technology, and the system is developed for the purpose of real-time acquisition and analysis of safety monitoring data in the engineering operation period, timely feedback of an analysis result is carried out, and the safety management efficiency of sluice operation is improved.
3. The system constructs a sluice three-dimensional BIM model by using the advantages of the BIM technology, associates and binds monitoring instruments, monitoring information and early warning information with the BIM model to realize three-dimensional visual display of a sluice body model and various information, integrates the constructed BIM model into a GIS three-dimensional geographic space scene, and realizes visual display of model geographic information and early warning disposal information by using the advantages of the GIS in the aspects of description of landform, engineering space position and data analysis and processing of geographic space. The system monitors and analyzes the collected monitoring data in real time, and when the data of the monitoring points exceed the early warning value, the system automatically generates alarm information. Meanwhile, the visual interface can be positioned to a measuring point where alarming occurs. After the alarm occurs, the system has corresponding approval processes and emergency treatment measures according to different alarm levels, issues various early warning treatment information and informs relevant units to process the information.
4. The BIM-based scene construction-based emergency drilling interaction system and method receive event information to construct a virtual scene, receive drilling instructions of drilling roles to generate operation data, and update scene data of drilling contents corresponding to the virtual roles in the virtual scene in real time according to the operation data, so that drilling selection is more scientific and flexible, and drilling reality and accuracy are improved.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a basic framework of the modeling database of the present invention.
FIG. 2 is a vulnerability assessment framework of the present invention.
FIG. 3 is a system architecture of the present invention.
Fig. 4 is a functional design schematic of the system of the present invention.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-4, a hydraulic engineering library area rare earthquake safety risk BIM scenario construction method is characterized by comprising the following steps:
the method comprises the following steps: establishing a database, and establishing a coupling foundation three-dimensional model of the engineering field according to the database;
step two: forming a vulnerability assessment framework;
step three: determining the fault position of a seismic source according to the historical earthquake, active fault detection and risk identification results; establishing a rare earthquake source model according to earthquake wave time-course data input at a site bedrock, namely calculating load information;
step four: according to the load information, the site information and the building information obtained in the third step, the bottom acceleration input of the appointed building is obtained by updating the interaction force boundary of the soil body and the soil body dynamic response, the building dynamic response at the moment after earthquake is appointed, and the site ground surface motion response and the structure response scene based on the site-engineering structure effect are obtained;
step five: obtaining a structure damage scene and a risk level according to the structure response obtained in the fourth step and the vulnerability assessment result of the deep structure obtained by the vulnerability assessment frame in the second step;
step six: obtaining a high risk area according to the damage risk level of the structure and the real-time population thermodynamic distribution dynamics, and comparing and correcting the high risk area with the historical earthquake disaster evaluation result;
step seven: acquiring a secondary geological disaster high-risk area according to secondary disaster source distribution, earthquake landslide distribution data after earthquake and field surface motion acquired in the scene model in the third step;
step eight: and obtaining preliminary assessment of distribution damage of the lifeline project, the traffic line and the key targets according to the lifeline project, the traffic line and the key target distribution and the field ground surface movement obtained in the scene model in the step three.
The basic data of the database established in the first step comprise: basic geographic information, geological structure maps, seismic information, structure data, and BIM models.
Further, the basic geographic information comprises landform, water system and vegetation information; the geological map comprises an active formation profile and a quaternary geological profile; the earthquake information comprises modern earthquake activity, earthquake zoning, an activity fault distribution map and disaster distribution, wherein the disaster distribution comprises sandy soil liquefaction and soft soil seismic subsidence; the structure data comprises earthquake-resistant design, building structure and building time; the BIM model comprises drilling hole modeling, stratum modeling, structure modeling and a three-dimensional model.
Further, the specific operation of the second step is that the vulnerability results of the engineering structure and the dam area building are evaluated through different weights of various earthquake damage influence factors of the construction age, the current quality and the earthquake fortification standard, the evaluation results are divided into detailed type and under-detailed type structure data according to the existing data precision, and then a vulnerability evaluation frame is established; and performance division is carried out so as to carry out building component performance evaluation, and workers can carry out building vulnerability evaluation through information query and obtain building vulnerability and vulnerability of each component.
Example 2:
the emergency treatment comprises three parts, namely an advanced treatment stage, a site rescue and treatment stage and a social response stage;
further, the advanced processing is as follows: the method comprises the steps of rapidly evaluating dam area earthquake disaster loss and reporting information based on a scene, constructing an emergency progress chain, obtaining an emergency task list, obtaining mobile equipment numbers of high-structure damage areas and casualty high-risk areas, sending nearest refuge place positions and evacuation warnings, reading corresponding emergency plans, and sending the corresponding emergency plans to nearest rescue, fire-fighting and medical institutions;
further, the field rescue and disposal phase is as follows: reading a corresponding emergency plan, and sending the emergency plan to a corresponding lifeline, a traffic line and an important target emergency repair department;
further, the social response stage is as follows: and reading the corresponding emergency plan, and sending the emergency plan to corresponding public opinion handling, environmental protection and social rescue units.
Example 3:
the method is based on scene construction and emergency treatment, and aims to solve the problem that the engineering structure can have the capacity of reducing earthquake risks and losses under the condition of extremely rare earthquakes, and the most effective mode is to prevent and continuously improve and reinforce the existing building facilities.
Further, the method for preventing the building damage in the extremely rare earthquake comprises the following specific steps:
based on the building damage scene, gradually updating and reinforcing the high-risk un-armored building;
providing a change suggestion for an un-armored or armored building in an active fault avoidance range based on the building damage scene;
even for a fortification structure, in the face of extremely rare earthquakes, most buildings are more than moderately damaged, and the buildings basically have no repair value or possibility;
and establishing simulation according to the situation, and adjusting the emergency plan.
Further, the process of establishing the three-dimensional model of the coupling foundation of the engineering site in the first step is as follows: firstly, establishing a database; based on BIM three-dimensional model display analysis: drilling in a standard library, and performing unified sequence division according to drilling data; the drilling data standardized by the system is used as modeling original data, and the business function of modeling and space application analysis is realized based on Revit; the modeling adopts an irregular triangulation network to form a stratum interface, the generated stratum curved surface is subjected to smooth processing based on interpolation algorithms such as linear interpolation, minimum distance inverse interpolation and the like, then the stratum data are used for generating a geologic body, and the structure information is input to establish a three-dimensional coupling model; each graphic element of the BIM model has detailed attribute information, so that the excavation process of a foundation pit and a tunnel can be conveniently simulated in the model, the excavation earthwork amount is counted, the regional stratum statistical parameters and the structure information are calculated, and designers can conveniently design and optimize the scheme.
Furthermore, the vulnerability assessment framework in the second step is used for assessing vulnerability by using FEMA P-58, and knowledge information is extracted by using the assessment framework, so that the data of the structure is obtained; carrying out risk analysis on the field according to the active fault distribution map to obtain field load information under the condition of extremely rare earthquakes; performing soil layer reaction analysis on the obtained information to obtain field ground surface motion response and structure response scenes based on a field-engineering structure effect; therefore, the earthquake risk distribution of the site can be obtained, the earthquake risk grades of the site under different distribution conditions form a distribution diagram, and the earthquake resistance is evaluated according to the position distribution of the built project, so that the safety performance of the project reservoir area is ensured.
Furthermore, the emergency disposal part mainly forms a system architecture through a BIM scene construction model and a GIS technology, the system architecture is used for acquiring and analyzing safety monitoring data in real time in the engineering operation period and feeding back the analysis result in time to improve the safety management efficiency of sluice operation, the system architecture is used for constructing a sluice three-dimensional BIM model by using the advantages of the BIM technology, and associating and binding monitoring instruments, monitoring information and early warning information with the BIM model to realize the three-dimensional visual display of the sluice body model and various kinds of information; integrating the constructed BIM model into a GIS three-dimensional geographic space scene, and realizing the visual display of the geographic information of the model and the early warning disposal information by utilizing the advantages of the GIS in the aspects of topographic features, the description of the engineering space position and the data analysis and processing of the geographic space; the monitoring information management comprises instrument information management, monitoring point real-time monitoring and monitoring data analysis; the instrument information management realizes the unified management of the monitoring instruments, including the addition, deletion and replacement of the instruments, the maintenance of the instruments and the fault registration; the monitoring points can monitor and analyze the monitoring data collected by the instruments arranged on the brake body in real time, dynamically monitor and analyze the monitoring data in real time, and give an alarm in time when abnormal conditions occur; the early warning disposal management realizes the management and feedback of the warning information, and comprises monitoring point abnormity management, early warning management, emergency disposal and information release; the monitoring point abnormity management is to select specific engineering measures or means for processing according to reasons for generating abnormity; the early warning management is to uniformly manage the generated warning information in a set of specific processes, and comprises the steps of determining early warning levels, examining and approving the processes and issuing early warning notices; the emergency disposal is to make engineering measures and means in a targeted manner according to the types and severity of the police conditions and organize and implement emergency rescue; the information issuing realizes timely issuing of various warning information and notice bulletins.
Claims (10)
1. A BIM (building information modeling) scene construction method for security risks of earthquake rarely encountered in reservoir areas of hydraulic engineering is characterized by comprising the following steps:
the method comprises the following steps: establishing a database, and establishing a coupling foundation three-dimensional model of the engineering field according to the database;
step two: forming a vulnerability assessment framework;
step three: determining the fault position of a seismic source according to the historical earthquake, active fault detection and risk identification results; establishing a rare earthquake source model according to earthquake wave time-course data input at a site bedrock, namely calculating load information;
step four: according to the load information, the site information and the building information obtained in the third step, the bottom acceleration input of the appointed building is obtained by updating the interaction force boundary of the soil body and the soil body dynamic response, the building dynamic response at the moment after earthquake is appointed, and the site ground surface motion response and the structure response scene based on the site-engineering structure effect are obtained;
step five: obtaining a structure damage scene and a risk level according to the structure response obtained in the fourth step and the vulnerability assessment result of the deep structure obtained by the vulnerability assessment frame in the second step;
step six: obtaining a high risk area according to the damage risk level of the structure and the real-time population thermodynamic distribution dynamics, and comparing and correcting the high risk area with the historical earthquake disaster evaluation result;
step seven: acquiring a secondary geological disaster high-risk area according to secondary disaster source distribution, earthquake landslide distribution data after earthquake and field surface motion acquired in the scene model in the third step;
step eight: and obtaining preliminary assessment of distribution damage of the lifeline project, the traffic line and the key targets according to the lifeline project, the traffic line and the key target distribution and the field ground surface movement obtained in the scene model in the step three.
2. The hydraulic engineering library area rare earthquake safety risk BIM scenario construction method as claimed in claim 1, wherein the basic data of the database established in the first step comprises: basic geographic information, geological structure maps, seismic information, structure data, and BIM models.
3. The hydraulic engineering library area rare earthquake safety risk BIM scenario construction method according to claim 2, wherein the basic geographic information comprises topographic and geomorphic, water system and vegetation information;
the geological map comprises an active formation profile and a quaternary geological profile;
the earthquake information comprises modern earthquake activity, earthquake zoning, an activity fault distribution map and disaster distribution, wherein the disaster distribution comprises sandy soil liquefaction and soft soil seismic subsidence;
the structure data comprises earthquake-resistant design, building structure and building time;
the BIM model comprises drilling hole modeling, stratum modeling, structure modeling and a three-dimensional model.
4. The BIM (building information modeling) scene construction method for the safety risk of earthquake occurring very rarely in the hydraulic engineering library area according to claim 1, wherein the specific operation in the second step is to evaluate the vulnerability results of the engineering structure and the dam area building by different weights of various earthquake damage influence factors of construction age, current quality and earthquake fortification standard, divide the evaluation results into detailed and under-detailed structure data according to the existing data precision, and further establish a vulnerability evaluation frame; and performance division is carried out so as to carry out building component performance evaluation, and workers can carry out building vulnerability evaluation through information query and obtain building vulnerability and vulnerability of each component.
5. The hydraulic engineering library area rare earthquake safety risk BIM scenario construction method according to claim 1, further comprising emergency treatment, wherein the emergency treatment comprises three parts of early treatment, site rescue and treatment phase and social response phase;
the advanced treatment is as follows: the method comprises the steps of rapidly evaluating dam area earthquake disaster loss and reporting information based on a scene, constructing an emergency progress chain, obtaining an emergency task list, obtaining mobile equipment numbers of high-structure damage areas and casualty high-risk areas, sending nearest refuge place positions and evacuation warnings, reading corresponding emergency plans, and sending the corresponding emergency plans to nearest rescue, fire-fighting and medical institutions;
the field rescue and disposal stage comprises the following steps: reading a corresponding emergency plan, and sending the emergency plan to a corresponding lifeline, a traffic line and an important target emergency repair department;
the social response stage is as follows: and reading the corresponding emergency plan, and sending the emergency plan to corresponding public opinion handling, environmental protection and social rescue units.
6. The BIM scenario construction method for the safety risk of earthquake in rare chance in hydraulic engineering library area as claimed in claim 5, further comprising a building damage prevention method in rare chance earthquake, wherein the prevention method is based on the implementation of the scenario construction and the emergency treatment, and aims to solve the problem that the engineering structure can have the capability of reducing the earthquake risk and loss in the face of earthquake in rare chance, the most effective way is to perform prevention, and the existing building facilities need to be continuously improved and reinforced.
7. The hydraulic engineering library area rare earthquake safety risk BIM scenario construction method according to claim 6, wherein the rare earthquake building damage prevention method comprises the following specific steps:
based on the building damage scene, gradually updating and reinforcing the high-risk un-armored building;
providing a change suggestion for an un-armored or armored building in an active fault avoidance range based on the building damage scene;
even for a fortification structure, in the face of extremely rare earthquakes, most buildings are more than moderately damaged, and the buildings basically have no repair value or possibility;
and establishing simulation according to the situation, and adjusting the emergency plan.
8. The method for building the BIM (building information modeling) scene of the safety risk of the earthquake in the extremely rare of the hydraulic engineering library region according to the claim 1, wherein the building process of the engineering field coupling basic three-dimensional model in the step one is as follows: firstly, establishing a database; based on BIM three-dimensional model display analysis: drilling in a standard library, and performing unified sequence division according to drilling data; the drilling data standardized by the system is used as modeling original data, and the business function of modeling and space application analysis is realized based on Revit; the modeling adopts an irregular triangulation network to form a stratum interface, the generated stratum curved surface is subjected to smooth processing based on interpolation algorithms such as linear interpolation, minimum distance inverse interpolation and the like, then the stratum data are used for generating a geologic body, and the structure information is input to establish a three-dimensional coupling model; each graphic element of the BIM model has detailed attribute information, so that the excavation process of a foundation pit and a tunnel can be conveniently simulated in the model, the excavation earthwork amount is counted, the regional stratum statistical parameters and the structure information are calculated, and designers can conveniently design and optimize the scheme.
9. The hydraulic engineering library area rare earthquake safety risk BIM scenario construction method according to claim 1, wherein the vulnerability assessment framework in the second step is to perform vulnerability assessment by using FEMA P-58, and extract knowledge information by using the assessment framework, so as to obtain data of the structure; carrying out risk analysis on the field according to the active fault distribution map to obtain field load information under the condition of extremely rare earthquakes; performing soil layer reaction analysis on the obtained information to obtain field ground surface motion response and structure response scenes based on a field-engineering structure effect; therefore, the earthquake risk distribution of the site can be obtained, the earthquake risk grades of the site under different distribution conditions form a distribution diagram, and the earthquake resistance is evaluated according to the position distribution of the built project, so that the safety performance of the project reservoir area is ensured.
10. The BIM scenario construction method for the safety risk of earthquake occurring very rarely in the hydraulic engineering library area as claimed in claim 5, wherein the emergency treatment part mainly forms a system architecture through a BIM scenario construction model and a GIS technology, the system architecture is used for real-time acquisition and analysis of safety monitoring data in the engineering operation period and timely feedback of analysis results, and therefore the safety management efficiency of sluice operation is improved, the system architecture is used for constructing a sluice three-dimensional BIM model by using the advantages of the BIM technology, and associating and binding monitoring instruments, monitoring information and early warning information with the BIM model, so that the three-dimensional visual display of a sluice body model and various kinds of information is realized; integrating the constructed BIM model into a GIS three-dimensional geographic space scene, and realizing the visual display of the geographic information of the model and the early warning disposal information by utilizing the advantages of the GIS in the aspects of topographic features, the description of the engineering space position and the data analysis and processing of the geographic space; the monitoring information management comprises instrument information management, monitoring point real-time monitoring and monitoring data analysis; the instrument information management realizes the unified management of the monitoring instruments, including the addition, deletion and replacement of the instruments, the maintenance of the instruments and the fault registration; the monitoring points can monitor and analyze the monitoring data collected by the instruments arranged on the brake body in real time, dynamically monitor and analyze the monitoring data in real time, and give an alarm in time when abnormal conditions occur; the early warning disposal management realizes the management and feedback of the warning information, and comprises monitoring point abnormity management, early warning management, emergency disposal and information release; the monitoring point abnormity management is to select specific engineering measures or means for processing according to reasons for generating abnormity; the early warning management is to uniformly manage the generated warning information in a set of specific processes, and comprises the steps of determining early warning levels, examining and approving the processes and issuing early warning notices; the emergency disposal is to make engineering measures and means in a targeted manner according to the types and severity of the police conditions and organize and implement emergency rescue; the information issuing realizes timely issuing of various warning information and notice bulletins.
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| CN117058844A (en) * | 2023-08-03 | 2023-11-14 | 天津君秒安减灾科技有限公司 | Earthquake early warning and alarming method |
| CN117058844B (en) * | 2023-08-03 | 2024-04-19 | 天津君秒安减灾科技有限公司 | Earthquake early warning and alarming method |
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