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CN111950134B - BIM-based geological disaster assessment method and device and computer-readable storage medium - Google Patents

BIM-based geological disaster assessment method and device and computer-readable storage medium Download PDF

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CN111950134B
CN111950134B CN202010726396.3A CN202010726396A CN111950134B CN 111950134 B CN111950134 B CN 111950134B CN 202010726396 A CN202010726396 A CN 202010726396A CN 111950134 B CN111950134 B CN 111950134B
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information
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CN111950134A (en
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宋建斌
蓝书开
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Chongqing 607 Engineering Survey And Design Co ltd
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Abstract

The application relates to a geological disaster assessment method and device based on BIM and a computer readable storage medium, wherein the method comprises the following steps of assessing results once; also included is a syndrome method comprising collecting geological parameters of the evaluation zone and geological information of the evaluation zone, the geological parameters comprising one or more of a geological plan, point data of a formation interface, and a production of a rock mass interface; the geological information comprises the type and occurrence area of the geological problem; searching whether the existing verification record has a reference model or not according to geological information; if yes, calling a reference model, modifying the reference model according to geological parameters, and obtaining a new BIM geological model; if not, a new BIM geologic model is created according to the geologic parameters; collecting a dynamic simulation instruction for controlling the BIM geological model to execute a simulation action, and obtaining a simulation record from a simulation process record; the simulated record is shown as a reference for making corrections to the results of one evaluation. The method and the device have the effect of assisting in improving the ground disaster assessment accuracy.

Description

BIM-based geological disaster assessment method and device and computer-readable storage medium
Technical Field
The present disclosure relates to the field of ground disaster assessment technologies, and in particular, to a geological disaster assessment method and apparatus based on BIM, and a computer readable storage medium.
Background
Geological disasters mainly comprise landslide, collapse, debris flow, ground subsidence, ground cracks, ground subsidence and other disasters; adverse geological effects can lead to loss of human life, property and ecological environment, so that before projects of various land use are carried out, geological disaster risk assessment needs to be carried out in advance.
The existing geological disaster assessment work mainly comprises the following steps:
1. collecting and systematically analyzing the existing geological data;
2. investigation of the types, distribution ranges, scales, cause types, stable states, harmfulness, influence factors and prevention generalization of bad geological phenomena existing in a planning area;
3. the type, intensity, range, history of existing ergonomic activities associated with the geological environment in the survey area, and future trends; the mode of damaging the geological environment and the type scale and the hazard of inducing the geological disaster are established in engineering;
4. evaluating the stability, influence range and development trend of the inclined (side) slope in the planning area;
5. and carrying out geological disaster risk classification and partition evaluation by combining the topography, geological structure, rock-soil body structural characteristics, hydrogeological conditions, human engineering activity characteristics, geological disaster development status and the like of the planning area, and providing land planning suggestions.
The above prior art shows an evaluation method which the inventors consider to have the following drawbacks: the evaluation work basically depends on manual evaluation analysis, is influenced by the working experience of evaluation staff and the like, and the evaluation accuracy is relatively difficult to control, so that the application provides a new technical scheme.
Disclosure of Invention
In order to assist workers in improving accuracy of ground disaster assessment, the application provides a geological disaster assessment method and device based on BIM and a computer readable storage medium.
In a first aspect, the present application provides a geological disaster assessment method based on BIM, which adopts the following technical scheme:
a geological disaster assessment method based on BIM comprises the steps of collecting a primary assessment result obtained by manual assessment; also included is a syndrome method, the syndrome method comprising,
collecting geological parameters of an evaluation area and geological information of the evaluation area, wherein the geological parameters comprise one or more of a geological plan, point data of a stratum interface and a production of a rock mass interface; the geological information comprises the type and the occurrence area of the geological problem;
searching whether the existing verification record has a reference model or not according to geological information;
if yes, calling a reference model, modifying the reference model according to geological parameters, and obtaining a new BIM geological model;
if not, a new BIM geologic model is created according to the geologic parameters;
collecting a dynamic simulation instruction for controlling the BIM geological model to execute a simulation action, and obtaining a simulation record from a simulation process record;
displaying the simulation record as a reference for correcting the primary evaluation result;
collecting the corrected result as a secondary evaluation result; and
and summarizing the one-time evaluation result and the information in the execution process of the syndrome method to obtain a verification record and store the verification record.
By adopting the technical scheme, a worker can correct one-time evaluation results through dynamic simulation record of the BIM geologic model, so that the evaluation accuracy is improved.
Preferably, the record correction process obtains and stores correction records, takes the time parameter T as the time length, and counts the occurrence frequency of each piece of corrected information in the T to obtain a statistical result.
By adopting the technical scheme, workers can conveniently know the position where errors easily occur in the one-time evaluation process, so that the problem solving and optimizing methods can be found out in a targeted manner later.
Preferably, the statistical result is patterned to obtain an error factor review.
By adopting the technical scheme, the statistical result can be displayed to the staff more intuitively.
Preferably, the geographic position of the evaluation area is sent to the GIS system, information nodes are created on the GIS map according to the geographic position of the evaluation area, and the primary evaluation result and the information in the secondary evaluation process are stored to the corresponding information nodes.
By adopting the technical scheme, the staff can conveniently and rapidly search and read the evaluation information of the required evaluation area.
Preferably, the evaluation area is subjected to color filling processing in the GIS map according to the type of the geological problem of the evaluation area, and different colors are selected for different geological problems.
By adopting the technical scheme, staff can be assisted to intuitively and rapidly know the geological condition of regional (for example, a county), and references are provided for regional geological investigation, treatment and other works.
In a second aspect, the present application provides a geological disaster assessment device, which adopts the following technical scheme:
a geological disaster assessment device comprising a processor and a memory storing a computer program capable of being loaded by the processor and performing a method as described above.
By adopting the technical scheme, after the processor is connected with the adaptive man-machine interaction device, a dynamic simulation record of the geological model of the evaluation area can be provided for a worker to be used as a reference, so that the worker can intuitively find out unreasonable places in the evaluation result and correct the unreasonable places.
In a third aspect, the present application provides a computer readable storage medium, which adopts the following technical scheme:
a computer readable storage medium storing a computer program capable of being loaded by a processor and executing a method as described above.
By adopting the technical scheme, after the dynamic simulation record of the geological model of the evaluation area can be provided for staff to serve as a reference after the dynamic simulation record is used as a storage unit of the adaptive computer and other equipment, so that the dynamic simulation record can intuitively find out unreasonable places in the evaluation result and correct the unreasonable places.
In summary, the present application includes at least one of the following beneficial technical effects:
1. performing dynamic simulation on the BIM geological model to obtain a simulation record by constructing the BIM geological model of the evaluation area; the simulation record is used as a reference for correcting the primary evaluation result, so that the ground disaster evaluation accuracy can be improved by assisting a worker;
2. the statistics result is obtained by counting the occurrence frequency of each piece of corrected information in the time parameter T, so that the method can assist a worker to find out the occurrence factor of the evaluation error and provide a reference for method optimization;
3. the evaluation information is stored in the information nodes of the GIS map, and the evaluation area is subjected to color filling processing according to the type of the geological problem of the evaluation area, so that on one hand, workers can conveniently search and read the information of the evaluation area, on the other hand, references can be provided for subsequent regional geological investigation and the like, and the resource utilization rate is improved.
Drawings
Fig. 1 is a flow chart of the present invention.
Detailed Description
The present application is described in further detail below in conjunction with fig. 1.
Hereinafter, the present application will be described with reference to landslide in geological disasters as an example.
The embodiment of the application discloses a geological disaster assessment method based on BIM, which comprises the steps of collecting a primary assessment result obtained by manual assessment and a syndrome method; the primary evaluation result comprises an existing evaluation report of the geological disaster risk of the planned area, namely, the manual evaluation method refers to an existing evaluation report issuing mode.
In order to improve the accuracy of the evaluation, the method combines BIM technology to assist in completing secondary evaluation, and on one hand, the error of pure manual verification is reduced; on the other hand, the verification process and the verification result are more visual and vivid; meanwhile, information generated in the execution process of the method can also provide references for optimization of a subsequent evaluation method, regional geological investigation and the like, namely the resource utilization rate is effectively improved.
Referring to fig. 1, the syndrome method includes:
collecting geological parameters of an evaluation area and geological information of the evaluation area, wherein the geological parameters comprise one or more of a geological plan, point data of a stratum interface and a production of a rock mass interface; the geological information includes the type of geological problem (e.g., landslide) and the area of occurrence (e.g., plain fill and sandstone layer).
Subsequently, firstly searching whether the existing verification record has a reference model according to geological information;
if yes, calling a reference model, modifying the reference model according to geological parameters, and obtaining a new BIM geological model;
if not, a new BIM geologic model is created from the geologic parameters, such as: the construction of the surface curved surface model comprises the steps of extracting terrain data reflecting a landslide area according to a geological plan, utilizing a DSE module in CATIA, importing discrete point data to generate point cloud, editing and optimizing the point cloud data to obtain a surface model grid surface, and obtaining surface curved surface model data in a QSR module.
The above verification record is generated by the execution of the method, and the reference model comprises a three-dimensional model constructed by BIM software CATIA.
After the BIM is built, acquiring a dynamic simulation instruction for controlling the BIM geological model to execute a simulation action, and obtaining a simulation record from a simulation process record.
Wherein, the dynamic simulation instruction is generated by operating the corresponding computer by a staff through a keyboard and a mouse; the specific simulation is determined by a worker by referring to the evaluation result at a time, taking landslide as an example:
firstly, a plurality of positions are selected (randomly) in an occurrence area of a BIM geological model to serve as change nodes, and then the BIM model is utilized to carry out cooperative change; in simulation, along with the continuous increase of the displacement of the nodes, cracks and the like can be generated on the edge of the BIM landslide model, and the landslide development trend and related critical points can be obtained at the moment.
The record of the simulation process can be obtained by directly installing screen recording software on a corresponding computer and then recording the screen.
Then, displaying the simulation record as a reference for correcting the primary evaluation result;
after the steps are finished, collecting corrected results as secondary evaluation results, and summarizing the primary evaluation results and information in the execution process of the syndrome method to obtain verification records and store the verification records so as to provide a reference model for subsequent correction work; the more the execution times of the method are, the more BIM geologic models are generated, and the modeling difficulty and the labor amount of the subsequent correction work are relatively smaller.
According to the above, since the secondary evaluation refers to the primary evaluation result and the dynamic simulation record of the BIM geologic model, the staff can learn the corresponding disaster occurrence trend and the like more vividly, find unreasonable places in the primary evaluation result in time and correct the unreasonable places, so that the accuracy of the evaluation result can be improved.
In order to optimize the evaluation work, the method further comprises the steps of recording and correcting the process to obtain a corrected record, storing the corrected record, taking the time parameter T as the time length, and counting the occurrence frequency of each piece of corrected information in the T to obtain a statistical result.
According to the above, the staff can know the location and rule of the problem easily occurring in the evaluation work by taking T as the time period, so as to find out the factors causing the problem later and optimize the evaluation method.
Furthermore, the statistical result can be subjected to graphical processing to obtain an error factor view so as to more intuitively observe frequency change and the like.
For example: and taking the frequency value as a Y-axis coordinate, and taking the corrected information category as an X-axis to prepare a histogram.
The method further comprises the steps of sending the geographic position of the evaluation area to a GIS system, creating information nodes on a GIS map according to the geographic position of the evaluation area, and storing the primary evaluation result and the information in the secondary evaluation process to the corresponding information nodes.
According to the above, the staff can conveniently search and read the evaluation information of each evaluation area.
In order to facilitate staff to intuitively understand regional geological conditions, the method further carries out color filling treatment on the evaluation area in the GIS map according to the type of the geological problem of the evaluation area, and different colors are selected for different geological problems, for example: the landslide adopts red color, and the dangerous rock adopts yellow color; the method can assist staff to intuitively and quickly know geological conditions of regional (such as a county) and provide references for regional geological investigation, management and other works.
The embodiment of the application also discloses a geological disaster assessment device, which comprises a processor and a memory, wherein the memory stores a computer program which can be loaded by the processor and execute the method.
The embodiment of the application also discloses a computer readable storage medium, which stores a computer program capable of being loaded by a processor and executing the BIM-based geological disaster assessment method as described in the method.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (5)

1. A geological disaster assessment method based on BIM is characterized in that: the method comprises the steps of collecting a primary evaluation result obtained by manual evaluation; also included is a syndrome method, the syndrome method comprising,
collecting geological parameters of an evaluation area and geological information of the evaluation area, wherein the geological parameters comprise one or more of a geological plan, point data of a stratum interface and a production of a rock mass interface; the geological information comprises the type and the occurrence area of the geological problem;
searching whether the existing verification record has a reference model or not according to geological information;
if yes, calling a reference model, modifying the reference model according to geological parameters, and obtaining a new BIM geological model;
if not, a new BIM geologic model is created according to the geologic parameters;
collecting a dynamic simulation instruction for controlling the BIM geological model to execute a simulation action, and obtaining a simulation record from a simulation process record;
displaying the simulation record as a reference for correcting the primary evaluation result;
collecting the corrected result as a secondary evaluation result; and
summarizing the one-time evaluation result and the information in the execution process of the syndrome method to obtain a verification record and store the verification record;
the recording correction process obtains correction records and stores the correction records, takes the time parameter T as the time length, and counts the occurrence frequency of each piece of corrected information in the T to obtain a statistical result;
and patterning the statistical result to obtain an error factor view.
2. The BIM-based geological disaster assessment method according to claim 1, wherein:
and sending the geographical position of the evaluation area to a GIS system, creating information nodes on a GIS map according to the geographical position of the evaluation area, and storing the primary evaluation result and the information in the secondary evaluation process to the corresponding information nodes.
3. The BIM-based geological disaster assessment method according to claim 1, wherein: and performing color filling treatment on the evaluation area in the GIS map according to the type of the geological problem of the evaluation area, and selecting different colors for different geological problems.
4. A geological disaster assessment device, characterized in that: comprising a processor and a memory storing a computer program capable of being loaded by the processor and executing the BIM-based geological disaster assessment method according to any of claims 1 to 3.
5. A computer-readable storage medium, characterized by: a computer program stored which can be loaded by a processor and which performs the BIM-based geological disaster assessment method according to any of claims 1 to 3.
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