CN117196315A - Building structure safety evaluation monitoring system based on BIM after flood disaster - Google Patents
Building structure safety evaluation monitoring system based on BIM after flood disaster Download PDFInfo
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Abstract
The invention relates to the field of data processing systems, in particular to a building structure safety evaluation monitoring system based on BIM after flood, which is used for solving the problems that the traditional evaluation method generally relies on manpower to perform on-site inspection and measurement on a structure, so that the efficiency is low, and the accuracy and reliability of an evaluation result are influenced; the building structure safety evaluation monitoring system comprises the following modules: the system comprises a model building module, a model monitoring module, a data processing module, a region monitoring module, a safety evaluation platform, a danger evaluation module and a safety alarm module; the building structure safety evaluation monitoring system can help professionals to evaluate the safety of the building structure rapidly and accurately by utilizing the BIM model and real-time monitoring data, improves the accuracy and efficiency of building structure safety evaluation, can provide effective early warning, timely takes countermeasures, lightens the influence of disasters and is beneficial to guaranteeing the life and property safety of people.
Description
Technical Field
The invention relates to the field of data processing systems, in particular to a building structure safety evaluation monitoring system based on BIM after flood disaster.
Background
After natural disasters such as floods, it is critical to evaluate the safety of building structures. Conventional evaluation methods typically rely on human labor to inspect and measure structures in the field, which is not only inefficient, but may also have an impact on the accuracy and reliability of the evaluation results. Therefore, there is a need for an advanced technology-based building structure safety assessment monitoring system to improve assessment efficiency and accuracy.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a building structure safety evaluation and monitoring system based on BIM after flood: the method is characterized in that a safety evaluation model is built through a model building module, the safety evaluation model is monitored through a model monitoring module, model danger parameters are obtained through a data processing module, a region where a building is located is monitored through a region monitoring module, region danger parameters are obtained through a data processing module, region danger coefficients are obtained through the region danger parameters, building danger values are obtained through a safety evaluation platform according to the obtained model danger coefficients and the region danger coefficients, the building corresponding to the building danger values is marked as dangerous building according to the building danger values through the safety evaluation module, a safety alarm instruction is generated at the same time, and a safety alarm is sounded after the safety alarm instruction is received through the safety alarm module, so that the problem that the traditional evaluation method generally relies on manpower to carry out field inspection and measurement on the structure is solved.
The aim of the invention can be achieved by the following technical scheme:
building structure safety evaluation monitoring system based on BIM after flood disaster includes:
the model building module is used for building a building to be subjected to building structure safety evaluation by using a building model informatization BIM technology, marking the building to be a safety evaluation model, generating a model monitoring instruction, and sending the model monitoring instruction to the model monitoring module;
the model monitoring module is used for monitoring the safety evaluation model after receiving the model monitoring instruction, acquiring model dangerous parameters and sending the model dangerous parameters to the data processing module;
the data processing module is used for obtaining a model risk coefficient MX according to the model risk parameters, sending the model risk coefficient MX to the safety evaluation platform, generating a region monitoring instruction at the same time, and sending the region monitoring instruction to the region monitoring module; the system is also used for obtaining the regional danger coefficient QX according to the regional danger parameters, sending the regional danger coefficient QX to the safety evaluation platform, generating a regional monitoring instruction at the same time, and sending the regional monitoring instruction to the regional monitoring module;
the regional monitoring module is used for monitoring the region where the building is located after receiving the regional monitoring instruction, acquiring regional dangerous parameters and sending the regional dangerous parameters to the data processing module;
the safety evaluation platform is used for obtaining a building danger value JW according to the obtained model danger coefficient MX and the regional danger coefficient QX and sending the building danger value JW to the danger evaluation module;
the danger assessment module is used for marking a building corresponding to the building danger value JW as a dangerous building according to the building danger value JW, generating a safety alarm instruction at the same time, and sending the safety alarm instruction to the safety alarm module;
and the safety alarm module is used for sounding a safety alarm after receiving the safety alarm instruction.
As a further scheme of the invention: the model risk parameters include a flood value HS, a deformation value BX, a crack value LF and a vibration value ZD.
As a further scheme of the invention: the flood value HS is obtained by the following steps:
monitoring a safety evaluation model after receiving a model monitoring instruction, acquiring flood occurrence time and end time, acquiring time difference between the flood occurrence time and the end time, marking the time difference as a flood value HS, acquiring average height of a flood submerged building, marking the average height as a submerged value YM, carrying out quantization treatment on the flood value HS and the submerged value YM, extracting numerical values of the flood value HS and the submerged value YM, substituting the numerical values into a formula for calculation, and obtaining the flood value HS according to the formula HS=h1×HS+h2×YM, wherein h1 and h2 are preset proportional coefficients corresponding to the set flood value HS and the submerged value YM respectively, h1 and h2 meet the condition that h1+h2=1, 0 < h1 < h2 < 1, and h1=0.45 and h2=0.55.
As a further scheme of the invention: the crack value LF is obtained by the following steps:
obtaining the total number of cracks and the total area of the cracks on a building according to a safety evaluation model, marking the total number of the cracks and the total area of the cracks as a slit value FS and a slit surface value FM respectively, carrying out quantization treatment on the slit value FS and the slit surface value FM, extracting the values of the slit value FS and the slit surface value FM, substituting the values into a formula for calculation, and obtaining a crack value LF according to the formula LF=f1×FS+f2×FM, wherein f1 and f2 are preset proportionality coefficients corresponding to the set slit value FS and the slit surface value FM respectively, f1 and f2 meet f1+f2=1, 0 < f2 < f1 < 1, taking f1=0.69, and f2=0.31.
As a further scheme of the invention: the process of obtaining the vibration value ZD is specifically as follows:
obtaining vibration times and maximum vibration displacement of a building in unit time according to a safety evaluation model, marking the vibration times and the maximum vibration displacement as vibration times value ZC and vibration displacement value ZY, carrying out quantization treatment on the vibration times value ZC and the vibration displacement value ZY, extracting the values of the vibration times value ZC and the vibration displacement value ZY, substituting the values into a formula for calculation, and obtaining the vibration value ZD according to the formula ZD=z1×ZC+z2×ZY, wherein z1 and z2 are preset proportional coefficients corresponding to the set vibration times value ZC and the vibration displacement value ZY, z1 and z2 meet z1+z2=1, 0 < z1 < z2 < 1, and z1=0.42 and z2=0.58.
As a further scheme of the invention: the regional danger parameters comprise a person value RS and a building value JZ.
As a further scheme of the invention: the acquisition process of the human value RS specifically comprises the following steps:
after receiving the area monitoring instruction, monitoring the area where the building is located to obtain the total number of people in the building, marking the total number as a construction value JS, drawing a circular area by taking the building as a circle center and the preset length as a radius, marking the circular area as a monitoring area, obtaining the total number of people in the monitoring area, marking the total number as a zone value QS, carrying out quantization processing on the construction value JS and the zone value QS, extracting the values of the construction value JS and the zone value QS, substituting the values into a formula for calculation, and obtaining a person value RS according to the formula RS=s1×JS+s2×QS, wherein s1 and s2 are preset proportionality coefficients corresponding to the set construction value JS and the zone value QS, and s1 and s2 satisfy s1+s2=1, 0 < s2 < s1 < 1, s1=0.77, and s2=0.23.
As a further scheme of the invention: the building value JZ is obtained by the following steps:
the method comprises the steps of obtaining the height and the volume of a building, marking the height and the volume as a height value GD and a volume value TJ respectively, carrying out quantization treatment on the height value GD and the volume value TJ, extracting the numerical values of the height value GD and the volume value TJ, substituting the numerical values into a formula for calculation, and obtaining a building value JZ according to the formula JZ=j1×GD+j2×TJ, wherein j1 and j2 are preset proportionality coefficients corresponding to the set height value GD and the volume value TJ respectively, j1 and j2 meet the condition that j1+j2=1, 0 < j2 < j1, j 1=0.66 and j2=0.34.
As a further scheme of the invention: the process for obtaining the model risk coefficient MX is specifically as follows:
quantifying the flood value HS, the deformation value BX, the crack value LF and the vibration value ZD, extracting the numerical values of the flood value HS, the deformation value BX, the crack value LF and the vibration value ZD, substituting the numerical values into a formula for calculation, and calculating according to the formulaObtaining a model risk coefficient MX, wherein delta is a preset error adjustment factor, delta=1.125, m1, m2, m3 and m4 are respectively preset weight factors corresponding to a set flood value HS, a set deformation value BX, a set crack value LF and a set vibration value ZD, m1, m2, m3 and m4 meet the condition that m3 > m4 > m2 > m1 > 1.119, and m1=1.36, m2=1.57, m3=2.06 and m4=1.84 are obtained;
and sending the model risk coefficient MX to a safety evaluation platform, generating a region monitoring instruction at the same time, and sending the region monitoring instruction to a region monitoring module.
As a further scheme of the invention: the process for acquiring the regional danger coefficient QX specifically comprises the following steps:
quantizing the human value RS and the building value JZ, extracting the values of the human value RS and the building value JZ, substituting the values into a formula for calculation, and calculating according to the formulaObtaining a regional danger coefficient QX, wherein e is a mathematical constant, q1 and q2 are preset weight factors corresponding to a set personal number RS and a building value JZ respectively, q1 and q2 meet q1 & gtq 2 & gt2.335, q1=3.13 is taken, and q2=3.71;
and sending the regional danger coefficient QX to a security assessment platform.
As a further scheme of the invention: the working process of the building structure safety evaluation monitoring system based on BIM after flood disaster is specifically as follows:
step S1: the building model establishment module establishes a building to be subjected to building structure safety assessment by using a building model informatization BIM technology, marks the building to be a safety assessment model, generates a model monitoring instruction, and sends the model monitoring instruction to the model monitoring module;
step S2: the method comprises the steps that after a model monitoring module receives a model monitoring instruction, a safety evaluation model is monitored, flood occurrence time and flood end time are obtained, time difference between the flood occurrence time and the flood end time is obtained and marked as a flood value HS, average height of a flood submerged building is obtained and marked as a submerged value YM, the flood value HS and the submerged value YM are subjected to quantization, numerical values of the flood value HS and the submerged value YM are extracted and substituted into a formula to be calculated, the flood value HS is obtained according to the formula HS=h1×HS+h2×YM, wherein h1 and h2 are preset proportional coefficients corresponding to the set flood value HS and the submerged value YM respectively, h1 and h2 meet the requirements of h1+h2=1, 0 < h1 < h2 < 1, h1=0.45 and h2=0.55;
step S3: the model monitoring module acquires images of the safety evaluation model before and after flood, compares the images to obtain areas with the same positions and different shapes, and marks the areas as deformation values BX;
step S4: the method comprises the steps that a model monitoring module obtains the total number of cracks and the total area of the cracks on a building according to a safety evaluation model, marks the total number of the cracks and the total area of the cracks as a seam value FS and a seam face value FM respectively, carries out quantization treatment on the seam value FS and the seam face value FM, extracts the numerical values of the seam value FS and the seam face value FM, substitutes the numerical values into a formula to calculate, and obtains the crack value LF according to the formula LF=f1×FS+f2×FM, wherein f1 and f2 are preset proportionality coefficients corresponding to the set seam value FS and the seam face value FM respectively, f1 and f2 meet f1+f2=1, 0 < f2 < f1 < 1, f1=0.69 and f2=0.31;
step S5: the method comprises the steps that a model monitoring module obtains vibration times and maximum vibration displacement of a building in unit time according to a safety evaluation model, marks the vibration times and the maximum vibration displacement as vibration times value ZC and vibration displacement value ZY, carries out quantization treatment on the vibration times value ZC and the vibration displacement value ZY, extracts numerical values of the vibration times value ZC and the vibration displacement value ZY, substitutes the numerical values into a formula for calculation, and obtains a vibration value ZD according to the formula ZD=z1×ZC+z2×ZY, wherein z1 and z2 are preset proportional coefficients corresponding to the set vibration times value ZC and the vibration displacement value ZY, z1 and z2 meet z1+z2=1, 0 < z1 < z2 < 1, z1=0.42 and z2=0.58;
step S6: the model monitoring module sends a flood value HS, a deformation value BX, a crack value LF and a vibration value ZD to the data processing module;
step S7: the data processing module carries out quantization processing on the flood value HS, the deformation value BX, the crack value LF and the vibration value ZD, extracts the numerical values of the flood value HS, the deformation value BX, the crack value LF and the vibration value ZD, substitutes the numerical values into a formula for calculation, and calculates according to the formulaObtaining a model risk coefficient MX, wherein delta is a preset error adjustment factor, delta=1.125, m1, m2, m3 and m4 are respectively preset weight factors corresponding to a set flood value HS, a set deformation value BX, a set crack value LF and a set vibration value ZD, m1, m2, m3 and m4 meet the condition that m3 > m4 > m2 > m1 > 1.119, and m1=1.36, m2=1.57, m3=2.06 and m4=1.84 are obtained;
step S8: the data processing module sends the model risk coefficient MX to the safety evaluation platform, generates a region monitoring instruction at the same time, and sends the region monitoring instruction to the region monitoring module;
step S9: the method comprises the steps that after a regional monitoring module receives a regional monitoring instruction, monitoring a region where a building is located to obtain the total number of people in the building, marking the region as a construction value JS, drawing a circular region by taking the building as a circle center and a preset length as a radius, marking the circular region as a monitoring region, obtaining the total number of people in the monitoring region, marking the circular region as a region value QS, carrying out quantization processing on the construction value JS and the region value QS, extracting the values of the construction value JS and the region value QS, substituting the values into a formula for calculation, and obtaining a person value RS according to the formula RS=s1×JS+s2×QS, wherein s1 and s2 are preset proportionality coefficients corresponding to the set construction value JS and the region value QS, and s1 and s2 meet s1+s2=1, 0 < s2 < s1 < 1, s1=0.77, and s2=0.23;
step S10: the method comprises the steps that a region monitoring module obtains the height and the volume of a building, marks the height and the volume as a height value GD and a volume value TJ respectively, carries out quantization treatment on the height value GD and the volume value TJ, extracts the numerical values of the height value GD and the volume value TJ, substitutes the numerical values into a formula to calculate, and obtains a building value JZ according to the formula JZ=j1×GD+j2×TJ, wherein j1 and j2 are preset proportionality coefficients corresponding to the set height value GD and the volume value TJ, j1 and j2 meet the condition that j 1+j2=1, 0 < j2 < j1, j 1=0.66 and j 2=0.34;
step S11: the regional monitoring module sends the personal value RS and the building value JZ to the data processing module;
step S12: the data processing module carries out quantization processing on the human value RS and the building value JZ, extracts the values of the human value RS and the building value JZ, substitutes the values into a formula for calculation, and calculates according to the formulaObtaining a regional danger coefficient QX, wherein e is a mathematical constant, q1 and q2 are preset weight factors corresponding to a set personal number RS and a building value JZ respectively, q1 and q2 meet q1 & gtq 2 & gt2.335, q1=3.13 is taken, and q2=3.71;
step S13: the data processing module sends the regional danger coefficient QX to the safety evaluation platform;
step S14: the safety evaluation platform obtains the product of the model risk coefficient MX and the regional risk coefficient QX, marks the product as a building risk value JW, and sends the building risk value JW to the risk evaluation module;
step S15: the risk assessment module compares the building risk value JW to a building risk threshold JWy:
if the building danger value JW is more than or equal to the building danger threshold JWy, marking the building corresponding to the building danger value JW as a dangerous building, generating a safety alarm instruction at the same time, and sending the safety alarm instruction to a safety alarm module;
step S16: and the safety alarm module sounds a safety alarm after receiving the safety alarm instruction.
The invention has the beneficial effects that:
according to the building structure safety evaluation monitoring system based on BIM after flood disaster, a safety evaluation model is built through a model building module, the safety evaluation model is monitored through a model monitoring module, model dangerous parameters are obtained through a data processing module, model dangerous coefficients are obtained according to the model dangerous parameters, a region where a building is located is monitored through a region monitoring module, region dangerous parameters are obtained through a data processing module, region dangerous coefficients are obtained according to the region dangerous parameters, building dangerous values are obtained through a safety evaluation platform according to the obtained model dangerous coefficients and the region dangerous coefficients, a building corresponding to the building dangerous values is marked as dangerous building through the safety evaluation module according to the building dangerous values, a safety alarm instruction is generated at the same time, and a safety alarm is sounded after the safety alarm instruction is received through the safety alarm module; the building structure safety evaluation monitoring system firstly establishes a safety evaluation model for a large number of buildings, then monitors the states of the safety evaluation models through comparison between the safety evaluation models before and after flood disaster to obtain model risk parameters, the model risk coefficient obtained according to the model risk parameters can comprehensively measure the abnormal condition of the safety evaluation model, the larger the model risk coefficient is, the higher the abnormal degree is indicated, the lower the safety of the corresponding building is, then monitors the area of the building to obtain area risk parameters, the area risk coefficient obtained according to the area risk parameters can comprehensively measure the influence condition of the building on the area, the larger the area risk parameters are, the influence degree is indicated to be higher, secondary damage is easy to occur to the area if the building has a risk problem, finally, the building risk value is obtained, the larger the building risk value is, the risk degree is indicated to be higher, and the structural safety of the building can be evaluated; the building structure safety evaluation monitoring system can help professionals to evaluate the safety of the building structure rapidly and accurately by utilizing the BIM model and real-time monitoring data, improves the accuracy and efficiency of building structure safety evaluation, can provide effective early warning, timely takes countermeasures, lightens the influence of disasters and is beneficial to guaranteeing the life and property safety of people.
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The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic block diagram of a building structure safety assessment and monitoring system based on BIM after flood in the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
referring to fig. 1, the present embodiment is a building structure safety evaluation and monitoring system based on BIM after flood, which includes the following modules: the system comprises a model building module, a model monitoring module, a data processing module, a region monitoring module, a safety evaluation platform, a danger evaluation module and a safety alarm module;
the building model establishment module is used for establishing a building to be subjected to building structure safety assessment by using a building model informatization BIM technology, marking the building to be a safety assessment model, generating a model monitoring instruction, and sending the model monitoring instruction to the model monitoring module;
the model monitoring module is used for monitoring the safety evaluation model after receiving the model monitoring instruction, acquiring model dangerous parameters and sending the model dangerous parameters to the data processing module; the model dangerous parameters comprise a flood value HS, a deformation value BX, a crack value LF and a vibration value ZD;
the data processing module is used for obtaining a model risk coefficient MX according to the model risk parameters, sending the model risk coefficient MX to the safety evaluation platform, generating a region monitoring instruction at the same time, and sending the region monitoring instruction to the region monitoring module; the system is also used for obtaining the regional danger coefficient QX according to the regional danger parameters, sending the regional danger coefficient QX to the safety evaluation platform, generating a regional monitoring instruction at the same time, and sending the regional monitoring instruction to the regional monitoring module;
the area monitoring module is used for monitoring the area where the building is located after receiving the area monitoring instruction, acquiring area dangerous parameters and sending the area dangerous parameters to the data processing module; wherein, the regional dangerous parameters comprise a personal value RS and a building value JZ;
the safety evaluation platform is used for obtaining a building danger value JW according to the obtained model danger coefficient MX and the regional danger coefficient QX and sending the building danger value JW to the danger evaluation module;
the danger assessment module is used for marking a building corresponding to the building danger value JW as a dangerous building according to the building danger value JW, generating a safety alarm instruction at the same time, and sending the safety alarm instruction to the safety alarm module;
the safety alarm module is used for sounding a safety alarm after receiving the safety alarm instruction.
Example 2:
referring to fig. 1, the working method of the building structure safety evaluation and monitoring system based on BIM after flood disaster includes the following steps:
step S1: the building model establishment module establishes a building to be subjected to building structure safety assessment by using a building model informatization BIM technology, marks the building to be a safety assessment model, generates a model monitoring instruction, and sends the model monitoring instruction to the model monitoring module;
step S2: the method comprises the steps that after a model monitoring module receives a model monitoring instruction, a safety evaluation model is monitored, flood occurrence time and flood end time are obtained, time difference between the flood occurrence time and the flood end time is obtained and marked as a flood value HS, average height of a flood submerged building is obtained and marked as a submerged value YM, the flood value HS and the submerged value YM are subjected to quantization, numerical values of the flood value HS and the submerged value YM are extracted and substituted into a formula to be calculated, the flood value HS is obtained according to the formula HS=h1×HS+h2×YM, wherein h1 and h2 are preset proportional coefficients corresponding to the set flood value HS and the submerged value YM respectively, h1 and h2 meet the requirements of h1+h2=1, 0 < h1 < h2 < 1, h1=0.45 and h2=0.55;
step S3: the model monitoring module acquires images of the safety evaluation model before and after flood, compares the images to obtain areas with the same positions and different shapes, and marks the areas as deformation values BX;
step S4: the method comprises the steps that a model monitoring module obtains the total number of cracks and the total area of the cracks on a building according to a safety evaluation model, marks the total number of the cracks and the total area of the cracks as a seam value FS and a seam face value FM respectively, carries out quantization treatment on the seam value FS and the seam face value FM, extracts the numerical values of the seam value FS and the seam face value FM, substitutes the numerical values into a formula to calculate, and obtains the crack value LF according to the formula LF=f1×FS+f2×FM, wherein f1 and f2 are preset proportionality coefficients corresponding to the set seam value FS and the seam face value FM respectively, f1 and f2 meet f1+f2=1, 0 < f2 < f1 < 1, f1=0.69 and f2=0.31;
step S5: the method comprises the steps that a model monitoring module obtains vibration times and maximum vibration displacement of a building in unit time according to a safety evaluation model, marks the vibration times and the maximum vibration displacement as vibration times value ZC and vibration displacement value ZY, carries out quantization treatment on the vibration times value ZC and the vibration displacement value ZY, extracts numerical values of the vibration times value ZC and the vibration displacement value ZY, substitutes the numerical values into a formula for calculation, and obtains a vibration value ZD according to the formula ZD=z1×ZC+z2×ZY, wherein z1 and z2 are preset proportional coefficients corresponding to the set vibration times value ZC and the vibration displacement value ZY, z1 and z2 meet z1+z2=1, 0 < z1 < z2 < 1, z1=0.42 and z2=0.58;
step S6: the model monitoring module sends a flood value HS, a deformation value BX, a crack value LF and a vibration value ZD to the data processing module;
step S7: number of digitsThe flood value HS, the deformation value BX, the crack value LF and the vibration value ZD are quantized according to the processing module, the numerical values of the flood value HS, the deformation value BX, the crack value LF and the vibration value ZD are extracted and substituted into the formula for calculation, and the numerical values are calculated according to the formulaObtaining a model risk coefficient MX, wherein delta is a preset error adjustment factor, delta=1.125, m1, m2, m3 and m4 are respectively preset weight factors corresponding to a set flood value HS, a set deformation value BX, a set crack value LF and a set vibration value ZD, m1, m2, m3 and m4 meet the condition that m3 > m4 > m2 > m1 > 1.119, and m1=1.36, m2=1.57, m3=2.06 and m4=1.84 are obtained;
step S8: the data processing module sends the model risk coefficient MX to the safety evaluation platform, generates a region monitoring instruction at the same time, and sends the region monitoring instruction to the region monitoring module;
step S9: the method comprises the steps that after a regional monitoring module receives a regional monitoring instruction, monitoring a region where a building is located to obtain the total number of people in the building, marking the region as a construction value JS, drawing a circular region by taking the building as a circle center and a preset length as a radius, marking the circular region as a monitoring region, obtaining the total number of people in the monitoring region, marking the circular region as a region value QS, carrying out quantization processing on the construction value JS and the region value QS, extracting the values of the construction value JS and the region value QS, substituting the values into a formula for calculation, and obtaining a person value RS according to the formula RS=s1×JS+s2×QS, wherein s1 and s2 are preset proportionality coefficients corresponding to the set construction value JS and the region value QS, and s1 and s2 meet s1+s2=1, 0 < s2 < s1 < 1, s1=0.77, and s2=0.23;
step S10: the method comprises the steps that a region monitoring module obtains the height and the volume of a building, marks the height and the volume as a height value GD and a volume value TJ respectively, carries out quantization treatment on the height value GD and the volume value TJ, extracts the numerical values of the height value GD and the volume value TJ, substitutes the numerical values into a formula to calculate, and obtains a building value JZ according to the formula JZ=j1×GD+j2×TJ, wherein j1 and j2 are preset proportionality coefficients corresponding to the set height value GD and the volume value TJ, j1 and j2 meet the condition that j 1+j2=1, 0 < j2 < j1, j 1=0.66 and j 2=0.34;
step S11: the regional monitoring module sends the personal value RS and the building value JZ to the data processing module;
step S12: the data processing module carries out quantization processing on the human value RS and the building value JZ, extracts the values of the human value RS and the building value JZ, substitutes the values into a formula for calculation, and calculates according to the formulaObtaining a regional danger coefficient QX, wherein e is a mathematical constant, q1 and q2 are preset weight factors corresponding to a set personal number RS and a building value JZ respectively, q1 and q2 meet q1 & gtq 2 & gt2.335, q1=3.13 is taken, and q2=3.71;
step S13: the data processing module sends the regional danger coefficient QX to the safety evaluation platform;
step S14: the safety evaluation platform obtains the product of the model risk coefficient MX and the regional risk coefficient QX, marks the product as a building risk value JW, and sends the building risk value JW to the risk evaluation module;
step S15: the risk assessment module compares the building risk value JW to a building risk threshold JWy:
if the building danger value JW is more than or equal to the building danger threshold JWy, marking the building corresponding to the building danger value JW as a dangerous building, generating a safety alarm instruction at the same time, and sending the safety alarm instruction to a safety alarm module;
step S16: and the safety alarm module sounds a safety alarm after receiving the safety alarm instruction.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative and explanatory of the invention, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (10)
1. Building structure safety evaluation monitoring system based on BIM after flood disaster, characterized by comprising:
the model building module is used for building a building to be subjected to building structure safety evaluation by using a building model informatization BIM technology, marking the building to be a safety evaluation model, generating a model monitoring instruction, and sending the model monitoring instruction to the model monitoring module;
the model monitoring module is used for monitoring the safety evaluation model after receiving the model monitoring instruction, acquiring model dangerous parameters and sending the model dangerous parameters to the data processing module;
the data processing module is used for obtaining a model risk coefficient according to the model risk parameter, sending the model risk coefficient to the safety evaluation platform, generating an area monitoring instruction at the same time, and sending the area monitoring instruction to the area monitoring module; the system is also used for obtaining the regional danger coefficient according to the regional danger parameter, sending the regional danger coefficient to the safety evaluation platform, generating a regional monitoring instruction at the same time, and sending the regional monitoring instruction to the regional monitoring module;
the regional monitoring module is used for monitoring the region where the building is located after receiving the regional monitoring instruction, acquiring regional dangerous parameters and sending the regional dangerous parameters to the data processing module;
the safety evaluation platform is used for obtaining a building danger value according to the obtained model danger coefficient and the regional danger coefficient and sending the building danger value to the danger evaluation module;
the danger assessment module is used for marking a building corresponding to the building danger value as a dangerous building according to the building danger value, generating a safety alarm instruction at the same time, and sending the safety alarm instruction to the safety alarm module;
and the safety alarm module is used for sounding a safety alarm after receiving the safety alarm instruction.
2. The post-flood based building structure safety assessment monitoring system of claim 1, wherein the model risk parameters comprise flood values, deformation values, crack values, and vibration values.
3. The post-flood building structure safety assessment and monitoring system based on BIM according to claim 2, wherein the flood value obtaining process specifically comprises the following steps:
and monitoring the safety evaluation model after receiving the model monitoring instruction, acquiring flood occurrence time and flood ending time, acquiring time difference between the flood occurrence time and the flood ending time, marking the time difference as a flood value, acquiring the average height of the flood submerged building, marking the average height as a submerged value, and carrying out quantization treatment on the flood value and the submerged value to obtain the flood value.
4. The post-flood building structure safety assessment and monitoring system based on BIM according to claim 2, wherein the crack value obtaining process specifically comprises the following steps:
and obtaining the total number of cracks and the total area of the cracks on the building according to the safety evaluation model, marking the total number of the cracks and the total area of the cracks as a slit value and a slit face value respectively, and carrying out quantization treatment on the slit value and the slit face value to obtain the slit value.
5. The post-flood building structure safety assessment and monitoring system based on BIM according to claim 2, wherein the vibration value obtaining process specifically comprises the following steps:
and obtaining vibration times and maximum vibration displacement of the building in unit time according to the safety evaluation model, marking the vibration times and the maximum vibration displacement as vibration times and vibration displacement values, and carrying out quantization treatment on the vibration times and the vibration displacement values to obtain the vibration values.
6. The post-flood based building structure safety assessment monitoring system of claim 1, wherein the regional risk parameters comprise a person value, a building value.
7. The post-flood building structure safety assessment monitoring system based on BIM according to claim 6, wherein the human value acquisition process is specifically as follows:
after receiving the area monitoring instruction, monitoring the area where the building is located to obtain the total number of people in the building, marking the total number of people as a building value, drawing a circular area by taking the building as a circle center and the preset length as a radius, marking the circular area as a monitoring area, obtaining the total number of people in the monitoring area, marking the total number of people as a zone value, and carrying out quantization processing on the building value and the zone value to obtain the person value.
8. The post-flood building structure safety assessment monitoring system based on BIM according to claim 6, wherein the building value obtaining process specifically comprises the following steps:
and acquiring the height and the volume of the building, marking the height and the volume as a height value and a volume value respectively, and carrying out quantization treatment on the height value and the volume value to obtain the building value.
9. The post-flood building structure safety assessment and monitoring system based on BIM according to claim 1, wherein the model risk coefficient acquisition process is specifically as follows:
carrying out quantization treatment on the flood value, the deformation value, the crack value and the vibration value to obtain a model danger coefficient;
and sending the model risk coefficient to a safety evaluation platform, generating an area monitoring instruction at the same time, and sending the area monitoring instruction to an area monitoring module.
10. The post-flood building structure safety assessment and monitoring system based on BIM according to claim 1, wherein the area risk coefficient acquisition process is specifically as follows:
carrying out quantization treatment on the personnel values and the building values to obtain regional dangerous coefficients;
and sending the regional danger coefficient to a safety evaluation platform.
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| CN117420452A (en) * | 2023-12-18 | 2024-01-19 | 深圳市海雷新能源有限公司 | Monitoring and early warning system for lithium battery energy storage |
| CN117420452B (en) * | 2023-12-18 | 2024-03-12 | 深圳市海雷新能源有限公司 | Monitoring and early warning system for lithium battery energy storage |
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