CN117952783B - Building structure safety investigation method, device and system and computer equipment - Google Patents
Building structure safety investigation method, device and system and computer equipment Download PDFInfo
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Abstract
The present invention relates to the field of data processing technologies, and in particular, to a method, an apparatus, a system, and a computer device for checking building structure security. The method comprises the following steps: determining a building to be examined and corresponding building information; acquiring a building structure and a stressed member to be inspected of each building; determining the actual position and the wear rate of each stressed member through the image acquired by the image acquisition terminal, and calculating the residual bearing capacity of the stressed member according to the wear rate; obtaining an actual structure model of a building structure of the building according to the actual positions of the stress members; carrying out load simulation on an actual structure model of a building structure of the building through a structure simulation system according to the residual bearing capacity of each load bearing member; determining the building with potential safety hazard according to the load simulation result of each building to be inspected; and performing secondary investigation on the building with the potential safety hazard. The invention uses the image acquisition terminal to replace manual operation, and solves the problems of lower accuracy and lower efficiency.
Description
Technical Field
The present invention relates to the field of data processing technologies, and in particular, to a method, an apparatus, a system, and a computer device for checking building structure security.
Background
The building structure is a framework structure which is formed by building components such as plates, beams, columns, walls, foundations and the like, has a certain space function and can safely bear various normal loads of a building. The safety of the building structure has great influence on the life and property safety of people, and the building structure is corroded and damaged by natural environment and human factors along with the increase of the service life of the building structure, and the building structure can send phenomena such as deformation, cracking and the like, so that the safety inspection of the building structure has great significance.
The existing safety investigation mode of the building structure mainly comprises the steps of detecting each stressed member of the building structure one by one through various detection instruments by workers, analyzing the building structure after obtaining relevant data, and obtaining the health life of the building structure.
The method is based on the operational consciousness of the staff, and can cause misoperation such as erroneous detection, missed detection and the like, and the staff can detect each stressed member of the building structure one by one, so that the workload is huge, and the method is used for safely checking the building structure, so that the problems of lower accuracy and lower efficiency exist.
Disclosure of Invention
Based on this, it is necessary to provide a building structure security check method, apparatus, system and computer device in order to solve the above-mentioned problems.
The embodiment of the invention is realized in such a way that the method for checking the safety of the building structure comprises the following steps:
determining a building to be examined and corresponding building information;
for any building to be examined, acquiring a building structure of the building from building information of the building, and determining a stress member of the building according to the building structure of the building;
for each stressed member, determining the actual position of the stressed member through an image acquired by the image acquisition terminal;
determining the wear rate of the stressed member through images acquired by the image acquisition terminal, and calculating the residual bearing capacity of the stressed member according to the wear rate;
According to the actual positions of all the stressed members of the building, the original structure model of the building structure of the building is adjusted to obtain the actual structure model of the building structure of the building;
carrying out load simulation on an actual structure model of a building structure of the building through a structure simulation system according to the residual bearing capacity of each load bearing member;
determining the building with potential safety hazard according to the load simulation result of each building to be inspected;
And performing secondary investigation on the building with the potential safety hazard.
In one embodiment, the present invention provides a building structure safety inspection apparatus, including:
the building module is used for determining buildings to be inspected and corresponding building information;
The acquisition structure module is used for acquiring the building structure of any building to be examined from the building information of the building, and determining the stress component of the building according to the building structure of the building;
the position determining module is used for determining the actual position of each stressed member through the image acquired by the image acquisition terminal;
The bearing capacity calculating module is used for determining the wear rate of the stressed member through the image acquired by the image acquisition terminal and calculating the residual bearing capacity of the stressed member according to the wear rate;
The adjusting structure module is used for adjusting the original structure model of the building structure of the building according to the actual positions of the stress members of the building to obtain the actual structure model of the building structure of the building;
the load-bearing simulation module is used for carrying out load-bearing simulation on an actual structure model of a building structure of the building through the structure simulation system according to the residual bearing capacity of each stress member;
The result confirmation module is used for determining the building with potential safety hazard according to the load simulation result of each building to be inspected;
And the secondary checking module is used for carrying out secondary checking on the building with the potential safety hazard.
In one embodiment, the invention provides a building structure safety inspection system, which comprises high-altitude mapping equipment, an image acquisition terminal and computer equipment;
The high-altitude mapping equipment is used for shooting a global map of the region to be inspected to obtain a building to be inspected;
The image acquisition terminal is used for shooting an integral image of a stressed member of a building structure of a building so as to adjust an actual structure model of the building structure of the building;
The computer equipment is connected with the high-altitude mapping equipment and the image acquisition terminal and is used for executing the steps of the building structure safety investigation method.
In one embodiment, the present invention provides a computer device, including a memory and a processor, where the memory stores a computer program, and the computer program when executed by the processor causes the processor to execute the steps of the building structure security checking method described above.
The method for safely checking the building structure provided by the embodiment of the invention comprises the steps of determining the building to be checked and the corresponding building information; for any building to be examined, acquiring a building structure of the building from building information of the building, and determining a stress member of the building according to the building structure of the building; for each stressed member, determining the actual position of the stressed member through an image acquired by the image acquisition terminal; determining the wear rate of the stressed member through images acquired by the image acquisition terminal, and calculating the residual bearing capacity of the stressed member according to the wear rate; according to the actual positions of all the stressed members of the building, the original structure model of the building structure of the building is adjusted to obtain the actual structure model of the building structure of the building; carrying out load simulation on an actual structure model of a building structure of the building through a structure simulation system according to the residual bearing capacity of each load bearing member; determining the building with potential safety hazard according to the load simulation result of each building to be inspected; and performing secondary investigation on the building with the potential safety hazard. The invention uses the image acquisition terminal to replace manual operation, reduces misoperation such as erroneous measurement, missing measurement and the like, reduces the workload of staff, and solves the problems of lower accuracy and lower efficiency.
Drawings
FIG. 1 is a flow chart of a method of security screening of a building structure in one embodiment;
FIG. 2 is a block diagram of a building structure security screening apparatus in one embodiment;
FIG. 3 is a system block diagram of a building structure security screening system in one embodiment;
FIG. 4 is a block diagram of the internal architecture of a computer device in one embodiment.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that the terms "first," "second," and the like, as used herein, may be used to describe various elements, but these elements are not limited by these terms unless otherwise specified. These terms are only used to distinguish one element from another element. For example, a first xx script may be referred to as a second xx script, and similarly, a second xx script may be referred to as a first xx script, without departing from the scope of this disclosure.
As shown in fig. 1, in one embodiment, a method for checking the safety of a building structure is provided, which specifically includes the following steps:
S101, determining a building to be examined and corresponding building information;
S102, for any building to be examined, acquiring a building structure of the building from building information of the building, and determining a stress member of the building according to the building structure of the building;
S103, for each stressed member, determining the actual position of the stressed member through an image acquired by the image acquisition terminal;
S104, determining the abrasion rate of the stressed member through an image acquired by the image acquisition terminal, and calculating the residual bearing capacity of the stressed member according to the abrasion rate;
S105, adjusting an original structure model of a building structure of the building according to the actual positions of all the stressed members of the building to obtain an actual structure model of the building structure of the building;
S106, carrying out load simulation on an actual structure model of a building structure of the building through a structure simulation system according to the residual bearing capacity of each load-bearing member;
s107, determining the building with potential safety hazard according to the load simulation result of each building to be inspected;
s108, performing secondary investigation on the building with the potential safety hazard.
In the present embodiment, the building information includes the building construction state, the building construction time, the design use time period, the building structure, and the like. The building structure comprises a structural model, stress components forming the building structure, building material information of the stress components and the like. The building material information of the stress member comprises the material, density, volume, shape and the like of the stress member.
In this embodiment, the building is a generic name of a building and a structure, and the building structure is a skeleton structure formed by stress members such as plates, beams, columns, walls, foundations and the like, having a certain space function, and being capable of safely bearing various normal loads of the building.
In this embodiment, the image capturing terminal is typically an unmanned aerial vehicle, a robot, an unmanned cart, or the like equipped with a camera. For the outside of building, can use the unmanned aerial vehicle that carries the camera to carry out image acquisition, to the inside of building, can use robot or unmanned dolly to carry out image acquisition.
In this embodiment, due to aging of the building, the stress member may be bent, displaced, etc., and the position of the stress member may be changed or a part of the position may be changed, so that the actual position of the stress member needs to be reconfirmed.
In this embodiment, the stress member may also be cracked, corroded, etc., where the wear of the stress member may be reduced, that is, the bearing capacity of the stress member may be reduced, so that the remaining bearing capacity of the stress member is calculated.
In this embodiment, load simulation refers to applying a load to an actual structural model of a building structure on a structural simulation system, simulating a realistic use scenario.
In this embodiment, a method generally used in the structure simulation system is finite element analysis, which simulates the structure simulation system by using a mathematical approximation method.
In this embodiment, the result of the load simulation may be the bearing time of the structural model in the load applying process, or may be the maximum load that the structural model can bear in a preset time.
In this embodiment, the load refers to an external force and other factors that cause internal forces and deformations to the structure or member. Or various direct effects exerted on the engineered structure to effect the engineered structure or component, common load parameters are: structural dead weight, floor live load, roof ash load, vehicle load, crane load, equipment power load, wind, snow, ice, wave and other natural loads.
In this embodiment, the secondary investigation of the building with the potential safety hazard should be re-performed after the rectification or reinforcement.
The method for safely checking the building structure provided by the embodiment of the invention comprises the steps of determining the building to be checked and the corresponding building information; for any building to be examined, acquiring a building structure of the building from building information of the building, and determining a stress member of the building according to the building structure of the building; for each stressed member, determining the actual position of the stressed member through an image acquired by the image acquisition terminal; determining the wear rate of the stressed member through images acquired by the image acquisition terminal, and calculating the residual bearing capacity of the stressed member according to the wear rate; according to the actual positions of all the stressed members of the building, the original structure model of the building structure of the building is adjusted to obtain the actual structure model of the building structure of the building; carrying out load simulation on an actual structure model of a building structure of the building through a structure simulation system according to the residual bearing capacity of each load bearing member; determining the building with potential safety hazard according to the load simulation result of each building to be inspected; and performing secondary investigation on the building with the potential safety hazard. The invention uses the image acquisition terminal to replace manual operation, reduces misoperation such as erroneous measurement, missing measurement and the like, reduces the workload of staff, and solves the problems of lower accuracy and lower efficiency.
In one embodiment, the determining the building to be examined and the corresponding building information includes:
setting a region to be inspected and acquiring a global map of the region to be inspected;
determining buildings in the global map through image recognition, and marking the buildings as the buildings to be examined;
and comparing the buildings to be inspected with a building information database to obtain building information corresponding to each building to be inspected.
In this embodiment, the global map may be obtained by an aerial mapping device, such as a telemetry satellite.
In the present embodiment, the construction in the global map is determined by image recognition as the related art, and will not be explained here.
In this embodiment, the building to be inspected may be set as a building that has been built and has a record archive left in the building information database. And removing the building to be inspected from the building which is in the building information database and is in the building state.
In the present embodiment, the building information database is a database that gathers building information of all buildings in a city.
In one embodiment, the determining the actual position of the stressed member through the image acquired by the image acquisition terminal includes:
controlling an image acquisition terminal to acquire an integral image of the stressed member;
Analyzing the whole image of the stressed member to determine the spatial position of each preset point of the stressed member;
and determining the actual position of the stress member according to the spatial positions of the preset points of the stress member.
In this embodiment, the coordinates of the image acquisition terminal may be obtained by using a GPS or other technologies, and many algorithms may be implemented to analyze the overall image of the force member, for example, an image distance algorithm, an image recognition algorithm, etc., and the force member may be identified by using the image recognition algorithm, and then the distance between each preset point of the force member may be determined by using the image distance algorithm, and at the same time, the distance between the force member and the image acquisition terminal, that is, the distance between each preset point of the force member and the image acquisition terminal may be calculated according to the size of the force member identified by using the image recognition algorithm, so as to determine the spatial position of each preset point of the force member.
In this embodiment, the preset points are connection points or turning points of the stress member, for example, for the beam, the preset points may be set as end points of the left and right ends, a center point, an intersection point with other beams, or the like, the beam may be divided into a plurality of equal parts to obtain a plurality of preset points, or a preset point may be set at the upper and lower edges of the beam at a preset distance, and the preset distance may be set to 1-3 meters.
In this embodiment, since the line segment or the contour representing the force receiving member is obtained by connecting the preset points as the force receiving member, the actual position of the force receiving member can be determined by determining the spatial position of the preset points. The actual position of the force-receiving member is not a point, but a region.
In one embodiment, the determining the wear rate of the stressed member according to the image acquired by the image acquisition terminal, and calculating the residual bearing capacity of the stressed member according to the wear rate includes:
controlling an image acquisition terminal to acquire an integral image of the stressed member;
comparing the whole image of the stressed member with information in a member wear rate database to obtain the wear rate w of the stressed member;
obtaining the design bearing capacity A of the stress component from the building information of the building;
From the following components Obtaining the residual bearing capacity of the stressed member;
Where k is the first redundancy factor.
In this embodiment, the information in the component wear rate database includes images of the respective force-receiving component at different wear rates under different environmental factors, one for each image.
In this embodiment, through the image recognition and classification technique, a database image consistent with the features of the overall image of the force receiving member is found in the member wear rate database, and the wear rate of the database image is recorded as the wear rate w of the force receiving member. The features herein refer to wear features such as cracking, corrosion, etc.
In this embodiment, a single force-bearing member may have multiple wear characteristics at the same time. For stressed members having multiple wear characteristics, a corresponding picture may also be found in a member wear rate database to determine the wear rate.
In this embodiment, the bearing capacity is one of important properties of the force receiving member, and refers to a maximum load that the force receiving member can bear under certain conditions. The load bearing capacity of the load bearing members is directly related to the safety and reliability of the building structure.
In this embodiment, the design bearing capacity is the bearing capacity of the force receiving member when put into use, and the remaining bearing capacity is the bearing capacity of the force receiving member when inspected.
In the present embodiment, the bearing capacity of the wear loss is essentiallyIn order to ensure sufficient redundancy, the bearing capacity of the wear loss is multiplied by a first redundancy coefficient, which is a coefficient greater than 1 and can be set to 1.2-1.5, so/>Greater than/>Use/>Instead of the lost bearing capacity.
In one embodiment, the load-bearing simulation of the actual structural model of the building structure of the building by the structural simulation system according to the residual bearing capacity of each stressed member comprises:
Acquiring historical data of each load parameter of the historical load information;
For each load parameter, by Obtaining a set value of the load parameter;
setting the residual bearing capacity of each stressed member and the set value of each load parameter in a structure simulation system;
The well-controlled structure simulation system is controlled to simulate the load of an actual structure model of a building structure of the building;
Wherein b is a second redundancy coefficient, and Q is the maximum value of the load parameter.
In this embodiment, average wind power, maximum wind power, earthquake intensity and the like in the last year belong to natural load parameters, and historical data of the natural load parameters can be obtained through weather information and other approaches; the personnel, equipment and the like in the building belong to the artificial load parameters, the historical data of the artificial load parameters can be evaluated and calculated according to the information registered by the building, for example, the building is an office building, the number of companies in the building, the average number of staff of the companies, the average weight of the electrical equipment and the like can be obtained, and the historical data of the artificial load parameters can be evaluated and calculated.
In this embodiment, the second redundancy factor is a factor greater than 1, and is generally set to 1.2-1.5, which is to improve redundancy of the set value of the load parameter.
In this embodiment, by setting the first redundancy coefficient and the second redundancy coefficient, the bearing time of the actual structural model of the building structure of the building for load simulation is shortened, the actual time is longer than the obtained bearing time, and the necessary errors existing in the process of calculating the residual bearing capacity and acquiring the history data of the load parameters are reduced. For example, certain errors exist in evaluating historical data of the calculated artificial load parameters.
In one embodiment, the determining the building with the potential safety hazard according to the load simulation result of each building to be inspected comprises:
For each loading simulation result, acquiring the bearing time of an actual structure model of a building structure of the building in the loading process;
judging whether the bearing time is less than the preset time, if so, marking the building to be inspected corresponding to the result of the loaded simulation as a building with potential safety hazard.
In this embodiment, the preset time may be set to be a simulation time corresponding to 3-5 years in the structural simulation system.
In this embodiment, if the bearing time of the building to be inspected in the structural simulation system is less than the preset time, it can be considered that if an extreme situation occurs, for example, the data of the load parameter is at a maximum value for a long period of time or a natural disaster with higher intensity occurs, the service life of the building in practice may be less than 3-5 years, so the building is regarded as a building with potential safety hazard.
In one embodiment, the secondary checking of the building with the potential safety hazard further includes:
Recording hidden danger information of a building with hidden danger;
after the building with the potential safety hazard is reinforced, performing secondary investigation on the building with the potential safety hazard according to the hidden danger information of the building with the potential safety hazard;
and (3) for each building without potential safety hazard, carrying out secondary investigation on the building without potential safety hazard every other preset period.
In this embodiment, the hidden trouble information includes information such as hidden trouble parts, remaining bearing capacity of the hidden trouble parts, and the like.
In this embodiment, for a building with a potential safety hazard, the potential hazard information may be sent to a related department to perform corresponding maintenance and reinforcement.
In the present embodiment, the preset period may be set to 3 months, half a year, or one year.
In this embodiment, the building with the potential safety hazard is reinforced and the building without the potential safety hazard is subjected to secondary investigation in every other preset period.
As shown in fig. 2, in one embodiment, a building structure safety inspection device is provided, which may specifically include:
the building module is used for determining buildings to be inspected and corresponding building information;
The acquisition structure module is used for acquiring the building structure of any building to be examined from the building information of the building, and determining the stress component of the building according to the building structure of the building;
the position determining module is used for determining the actual position of each stressed member through the image acquired by the image acquisition terminal;
The bearing capacity calculating module is used for determining the wear rate of the stressed member through the image acquired by the image acquisition terminal and calculating the residual bearing capacity of the stressed member according to the wear rate;
The adjusting structure module is used for adjusting the original structure model of the building structure of the building according to the actual positions of the stress members of the building to obtain the actual structure model of the building structure of the building;
the load-bearing simulation module is used for carrying out load-bearing simulation on an actual structure model of a building structure of the building through the structure simulation system according to the residual bearing capacity of each stress member;
The result confirmation module is used for determining the building with potential safety hazard according to the load simulation result of each building to be inspected;
And the secondary checking module is used for carrying out secondary checking on the building with the potential safety hazard.
In this embodiment, each module of the building structure security inspection device is modularized in the method of the present invention, and for specific explanation of each module, please refer to the corresponding content of the method of the present invention, the embodiments of the present invention are not described herein again.
As shown in fig. 3, in one embodiment, a building structure security screening system is provided, the building structure security screening system including an aerial mapping device, an image acquisition terminal, and a computer device;
The high-altitude mapping equipment is used for shooting a global map of the region to be inspected to obtain a building to be inspected;
The image acquisition terminal is used for shooting an integral image of a stressed member of a building structure of a building so as to adjust an actual structure model of the building structure of the building;
The computer equipment is connected with the high-altitude mapping equipment and the image acquisition terminal and is used for executing the steps of the building structure safety investigation method.
In this embodiment, the high-altitude mapping device may be a device such as a satellite, and the high-altitude mapping device is connected to the computer device through the cloud server, the high-altitude mapping device stores the global map to the cloud server, and the computer device obtains the global map of the region to be inspected from the cloud server according to the region to be inspected.
In this embodiment, the image capturing terminal is generally an image capturing terminal, and is generally an unmanned aerial vehicle, a robot, an unmanned trolley, or the like equipped with a camera. And can also be mobile devices such as mobile phones, tablets and the like. The image acquisition terminal can also be provided with a sensor for measuring distance, such as a laser sensor.
In this embodiment, the number of the image acquisition terminals may be several, and the several image acquisition terminals may perform image acquisition on different stress members of the same building at the same time, and may perform image acquisition on different buildings to be inspected at the same time.
The safety checking system for the building structure provided by the embodiment of the invention determines the building to be checked and the corresponding building information; for any building to be examined, acquiring a building structure of the building from building information of the building, and determining a stress member of the building according to the building structure of the building; for each stressed member, determining the actual position of the stressed member through an image acquired by the image acquisition terminal; determining the wear rate of the stressed member through images acquired by the image acquisition terminal, and calculating the residual bearing capacity of the stressed member according to the wear rate; according to the actual positions of all the stressed members of the building, the original structure model of the building structure of the building is adjusted to obtain the actual structure model of the building structure of the building; carrying out load simulation on an actual structure model of a building structure of the building through a structure simulation system according to the residual bearing capacity of each load bearing member; determining the building with potential safety hazard according to the load simulation result of each building to be inspected; and performing secondary investigation on the building with the potential safety hazard. The invention uses the image acquisition terminal to replace manual operation, reduces misoperation such as erroneous measurement, missing measurement and the like, reduces the workload of staff, and solves the problems of lower accuracy and lower efficiency.
FIG. 4 illustrates an internal block diagram of a computer device in one embodiment. As shown in fig. 4, the computer device includes a processor, a memory, a network interface, an input device, and a display screen connected by a system bus. The memory includes a nonvolatile storage medium and an internal memory. The non-volatile storage medium of the computer device stores an operating system and may also store a computer program, where the computer program when executed by a processor may cause the processor to implement a building structure security checking method provided by the embodiment of the present invention. The internal memory may also store a computer program, which when executed by the processor, causes the processor to execute a building structure security check method provided by the embodiment of the present invention. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, the input device of the computer equipment can be a touch layer covered on the display screen, can also be keys, a track ball or a touch pad arranged on the shell of the computer equipment, and can also be an external keyboard, a touch pad or a mouse and the like.
It will be appreciated by persons skilled in the art that the architecture shown in fig. 4 is merely a block diagram of some of the architecture relevant to the present inventive arrangements and is not limiting as to the computer device to which the present inventive arrangements are applicable, and that a particular computer device may include more or fewer components than shown, or may combine some of the components, or have a different arrangement of components.
In one embodiment, a building structure security screening apparatus provided in the embodiments of the present invention may be implemented in the form of a computer program that is executable on a computer device as shown in fig. 4. The memory of the computer device may store various program modules constituting the building structure safety inspection apparatus, such as a building determining module, a structure acquiring module, a position determining module, a load bearing capacity calculating module, a structure adjusting module, a load simulation module, a result confirmation module, and a secondary inspection module shown in fig. 2. The computer program of each program module causes a processor to execute the steps of a building construction safety inspection method of each embodiment of the present invention described in the present specification.
For example, the computer apparatus shown in fig. 4 may perform step S101 through a determination building module in a building structure security check device as shown in fig. 2; the computer device may execute step S102 by acquiring the structure module; the computer device may perform step S103 by determining a location module; the computer device may execute step S104 by calculating the bearing capacity module; the computer device may execute step S105 by adjusting the structure module; the computer equipment can execute the step S106 through the loading simulation module; the computer device may execute step S107 through the result confirmation module; the computer device may execute step S108 through the secondary screening module.
In one embodiment, a computer device is presented, the computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
S101, determining a building to be examined and corresponding building information;
S102, for any building to be examined, acquiring a building structure of the building from building information of the building, and determining a stress member of the building according to the building structure of the building;
S103, for each stressed member, determining the actual position of the stressed member through an image acquired by the image acquisition terminal;
S104, determining the abrasion rate of the stressed member through an image acquired by the image acquisition terminal, and calculating the residual bearing capacity of the stressed member according to the abrasion rate;
S105, adjusting an original structure model of a building structure of the building according to the actual positions of all the stressed members of the building to obtain an actual structure model of the building structure of the building;
S106, carrying out load simulation on an actual structure model of a building structure of the building through a structure simulation system according to the residual bearing capacity of each load-bearing member;
s107, determining the building with potential safety hazard according to the load simulation result of each building to be inspected;
s108, performing secondary investigation on the building with the potential safety hazard.
In one embodiment, a computer readable storage medium is provided, having a computer program stored thereon, which when executed by a processor causes the processor to perform the steps of:
S101, determining a building to be examined and corresponding building information;
S102, for any building to be examined, acquiring a building structure of the building from building information of the building, and determining a stress member of the building according to the building structure of the building;
S103, for each stressed member, determining the actual position of the stressed member through an image acquired by the image acquisition terminal;
S104, determining the abrasion rate of the stressed member through an image acquired by the image acquisition terminal, and calculating the residual bearing capacity of the stressed member according to the abrasion rate;
S105, adjusting an original structure model of a building structure of the building according to the actual positions of all the stressed members of the building to obtain an actual structure model of the building structure of the building;
S106, carrying out load simulation on an actual structure model of a building structure of the building through a structure simulation system according to the residual bearing capacity of each load-bearing member;
s107, determining the building with potential safety hazard according to the load simulation result of each building to be inspected;
s108, performing secondary investigation on the building with the potential safety hazard.
It should be understood that, although the steps in the flowcharts of the embodiments of the present invention are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in various embodiments may include multiple sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, nor do the order in which the sub-steps or stages are performed necessarily performed in sequence, but may be performed alternately or alternately with at least a portion of the sub-steps or stages of other steps or other steps.
Those skilled in the art will appreciate that all or part of the processes in the methods of the above embodiments may be implemented by a computer program for instructing relevant hardware, where the program may be stored in a non-volatile computer readable storage medium, and where the program, when executed, may include processes in the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link (SYNCHLINK) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (6)
1. The building structure safety investigation method is characterized by comprising the following steps of:
determining a building to be examined and corresponding building information;
for any building to be examined, acquiring a building structure of the building from building information of the building, and determining a stress member of the building according to the building structure of the building;
for each stressed member, determining the actual position of the stressed member through an image acquired by the image acquisition terminal;
determining the wear rate of the stressed member through images acquired by the image acquisition terminal, and calculating the residual bearing capacity of the stressed member according to the wear rate;
According to the actual positions of all the stressed members of the building, the original structure model of the building structure of the building is adjusted to obtain the actual structure model of the building structure of the building;
carrying out load simulation on an actual structure model of a building structure of the building through a structure simulation system according to the residual bearing capacity of each load bearing member;
determining the building with potential safety hazard according to the load simulation result of each building to be inspected;
Performing secondary investigation on the building with the potential safety hazard;
the determining the actual position of the stressed member through the image acquired by the image acquisition terminal comprises the following steps:
controlling an image acquisition terminal to acquire an integral image of the stressed member;
Analyzing the whole image of the stressed member to determine the spatial position of each preset point of the stressed member;
Determining the actual position of the stressed member according to the spatial positions of all preset points of the stressed member;
the image collected by the image collection terminal determines the wear rate of the stressed member, calculates the residual bearing capacity of the stressed member according to the wear rate, and comprises the following steps:
controlling an image acquisition terminal to acquire an integral image of the stressed member;
comparing the whole image of the stressed member with information in a member wear rate database to obtain the wear rate w of the stressed member;
obtaining the design bearing capacity A of the stress component from the building information of the building;
From the following components Obtaining the residual bearing capacity of the stressed member;
wherein k is a first redundancy coefficient;
The load simulation is carried out on the actual structural model of the building structure of the building through a structural simulation system according to the residual bearing capacity of each load-bearing member, and the load simulation method comprises the following steps:
Acquiring historical data of each load parameter of the historical load information;
For each load parameter, by Obtaining a set value of the load parameter;
setting the residual bearing capacity of each stressed member and the set value of each load parameter in a structure simulation system;
The well-controlled structure simulation system is controlled to simulate the load of an actual structure model of a building structure of the building;
Wherein b is a second redundancy coefficient, and Q is the maximum value of the load parameter;
the building with potential safety hazard is determined according to the load simulation result of each building to be inspected, and the method comprises the following steps:
For each loading simulation result, acquiring the bearing time of an actual structure model of a building structure of the building in the loading process;
Judging whether the bearing time is less than the preset time, if so, marking the building to be inspected corresponding to the result of the loaded simulation as a building with potential safety hazard;
The analyzing the integral image of the stressed member to determine the spatial position of each preset point of the stressed member comprises the following steps:
identifying the stressed member through an image identification algorithm;
determining the distance between preset points of the stressed member through an image distance algorithm;
and calculating the distance between the stressed member and the image acquisition terminal according to the stressed member identified by the image identification algorithm, so as to determine the spatial position of each preset point of the stressed member.
2. The method for inspecting building structure according to claim 1, wherein the determining the building to be inspected and the corresponding building information includes:
setting a region to be inspected and acquiring a global map of the region to be inspected;
determining buildings in the global map through image recognition, and marking the buildings as the buildings to be examined;
and comparing the buildings to be inspected with a building information database to obtain building information corresponding to each building to be inspected.
3. The method for checking the safety of a building structure according to claim 1, wherein the performing the secondary checking on the building with the potential safety hazard further comprises:
Recording hidden danger information of a building with hidden danger;
after the building with the potential safety hazard is reinforced, performing secondary investigation on the building with the potential safety hazard according to the hidden danger information of the building with the potential safety hazard;
and (3) for each building without potential safety hazard, carrying out secondary investigation on the building without potential safety hazard every other preset period.
4. The utility model provides a building structure safety investigation device which characterized in that, building structure safety investigation device includes:
the building module is used for determining buildings to be inspected and corresponding building information;
The acquisition structure module is used for acquiring the building structure of any building to be examined from the building information of the building, and determining the stress component of the building according to the building structure of the building;
the position determining module is used for determining the actual position of each stressed member through the image acquired by the image acquisition terminal;
The bearing capacity calculating module is used for determining the wear rate of the stressed member through the image acquired by the image acquisition terminal and calculating the residual bearing capacity of the stressed member according to the wear rate;
The adjusting structure module is used for adjusting the original structure model of the building structure of the building according to the actual positions of the stress members of the building to obtain the actual structure model of the building structure of the building;
the load-bearing simulation module is used for carrying out load-bearing simulation on an actual structure model of a building structure of the building through the structure simulation system according to the residual bearing capacity of each stress member;
The result confirmation module is used for determining the building with potential safety hazard according to the load simulation result of each building to be inspected;
The secondary investigation module is used for carrying out secondary investigation on the building with the potential safety hazard;
the determining the actual position of the stressed member through the image acquired by the image acquisition terminal comprises the following steps:
controlling an image acquisition terminal to acquire an integral image of the stressed member;
Analyzing the whole image of the stressed member to determine the spatial position of each preset point of the stressed member;
Determining the actual position of the stressed member according to the spatial positions of all preset points of the stressed member;
the image collected by the image collection terminal determines the wear rate of the stressed member, calculates the residual bearing capacity of the stressed member according to the wear rate, and comprises the following steps:
controlling an image acquisition terminal to acquire an integral image of the stressed member;
comparing the whole image of the stressed member with information in a member wear rate database to obtain the wear rate w of the stressed member;
obtaining the design bearing capacity A of the stress component from the building information of the building;
From the following components Obtaining the residual bearing capacity of the stressed member;
wherein k is a first redundancy coefficient;
The load simulation is carried out on the actual structural model of the building structure of the building through a structural simulation system according to the residual bearing capacity of each load-bearing member, and the load simulation method comprises the following steps:
Acquiring historical data of each load parameter of the historical load information;
For each load parameter, by Obtaining a set value of the load parameter;
setting the residual bearing capacity of each stressed member and the set value of each load parameter in a structure simulation system;
The well-controlled structure simulation system is controlled to simulate the load of an actual structure model of a building structure of the building;
Wherein b is a second redundancy coefficient, and Q is the maximum value of the load parameter;
the building with potential safety hazard is determined according to the load simulation result of each building to be inspected, and the method comprises the following steps:
For each loading simulation result, acquiring the bearing time of an actual structure model of a building structure of the building in the loading process;
Judging whether the bearing time is less than the preset time, if so, marking the building to be inspected corresponding to the result of the loaded simulation as a building with potential safety hazard;
The analyzing the integral image of the stressed member to determine the spatial position of each preset point of the stressed member comprises the following steps:
identifying the stressed member through an image identification algorithm;
determining the distance between preset points of the stressed member through an image distance algorithm;
and calculating the distance between the stressed member and the image acquisition terminal according to the stressed member identified by the image identification algorithm, so as to determine the spatial position of each preset point of the stressed member.
5. The system for safely inspecting the building structure is characterized by comprising high-altitude mapping equipment, an image acquisition terminal and computer equipment;
The high-altitude mapping equipment is used for shooting a global map of the region to be inspected to obtain a building to be inspected;
The image acquisition terminal is used for shooting an integral image of a stressed member of a building structure of a building so as to adjust an actual structure model of the building structure of the building;
The computer device is connected with the high-altitude mapping device and the image acquisition terminal and is used for executing the steps of the building structure safety investigation method according to any one of claims 1-3.
6. A computer device comprising a memory and a processor, the memory having stored therein a computer program which, when executed by the processor, causes the processor to perform the steps of the building structure security screening method of any one of claims 1 to 3.
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| 张海彦."盾构隧道穿越既有桥梁桩基础风险控制值的确定".《北京交通大学学报》.2013,第37卷(第6期),45-54. * |
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