CN111597618B - Bridge monitoring system based on BIM-GIS - Google Patents
Bridge monitoring system based on BIM-GIS Download PDFInfo
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- CN111597618B CN111597618B CN202010427098.4A CN202010427098A CN111597618B CN 111597618 B CN111597618 B CN 111597618B CN 202010427098 A CN202010427098 A CN 202010427098A CN 111597618 B CN111597618 B CN 111597618B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
Abstract
The invention provides a bridge monitoring system based on BIM-GIS, comprising: the bridge operation and maintenance management subsystem and the server execute the following operations: step S1: acquiring structural data of a bridge and geographic environment data around the bridge; step S2: generating a building information model based on a BIM technology and a GIS technology according to the structural data and the geographic environment data; step S3: and acquiring the operation and maintenance information of the bridge through the bridge operation and maintenance management subsystem, and determining the bridge state data based on the operation and maintenance information and the building information model. The bridge monitoring system based on the BIM-GIS firstly establishes a three-dimensional entity attached information model, and calls static information and dynamic information of the bridge in real time through a bridge operation and maintenance management system to achieve the purpose of visualization of bridge detection and monitoring, thereby providing high-efficiency data information of the bridge structure operation state, establishing good bridge management, monitoring and maintenance and realizing the full life cycle management of the bridge.
Description
Technical Field
The invention relates to the technical field of bridge detection, in particular to a bridge monitoring system based on BIM-GIS.
Background
The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. The bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like.
At present, operation and maintenance management of a bridge is mainly performed through an operation and maintenance management system, the operation and maintenance management system is mainly responsible for stress detection of each component of the bridge, data of the operation and maintenance management system needs to be checked and analyzed by professional personnel, and the specific state of the bridge cannot be intuitively reflected.
Disclosure of Invention
One of the purposes of the invention is to provide a bridge monitoring system based on BIM-GIS, which displays the operation and maintenance state of a bridge through a visual three-dimensional model.
The embodiment of the invention provides a bridge monitoring system based on BIM-GIS, comprising: the bridge operation and maintenance management subsystem and the server execute the following operations:
step S1: acquiring structural data of a bridge and geographic environment data around the bridge;
step S2: generating a building information model based on a BIM technology and a GIS technology according to the structural data and the geographic environment data;
step S3: and acquiring the operation and maintenance information of the bridge through the bridge operation and maintenance management subsystem, and determining the bridge state data based on the operation and maintenance information and the building information model.
Preferably, the structure data includes:
the size of each component of the bridge, the material of each component of the bridge, the connection position of each component of the bridge, the connection mode between each component and the service life of each component.
Preferably, the geographical environment data includes: one or more of wind speed, humidity, river channel size, river flow rate, air temperature, wind direction, solar radiation, gas and gas content, and rainfall.
Preferably, the building information model includes: the three-dimensional entity is attached with an information model.
Preferably, the operation and maintenance information includes: static information and dynamic information.
Preferably, the static information includes: the size of each component of the bridge, the material of each component of the bridge, the connection position of each component of the bridge, the connection mode between each component, the service life of each component, the building information around the bridge position, the river information, the replacement condition and the maintenance condition of each component of the bridge.
Preferably, the dynamic information includes: the traffic data of the bridge, the stress value of each part of the bridge, the wind speed, the wind direction, the humidity, the river flow rate, the air temperature, the solar radiation, the gas and gas content and the rainfall are combined.
Preferably, step S2: generating a building information model based on a BIM technology and a GIS technology according to the structural data and the geographic environment data; the method specifically comprises the following steps:
step S21: establishing an initial model according to the structural data of the bridge and based on a BIM technology;
step S22: generating GIS data according to geographic environment data around the bridge and based on a GIS technology;
step S23: and optimizing the initial model based on the GIS data to obtain a building information model.
Preferably, step S3: the operation and maintenance information of the bridge is obtained through the bridge operation and maintenance management subsystem, and the bridge state data is output based on the operation and maintenance information and the building information model, and the method specifically comprises the following steps:
step S31: taking the building information model as a first image;
step S32: acquiring the service life condition of each part of the bridge, filling first colors with different concentrations in the outline of each part of the first image, and forming a second image;
step S33: acquiring stress detection conditions of all parts of the bridge, filling second colors with different concentrations in the outline of all parts of the first image, and forming a third image;
step S34: obtaining maintenance conditions of all parts of the bridge, filling third colors with different concentrations in the outline of all parts of the first image, and forming a fourth image;
wherein, step S32: acquiring the service life condition of each part of the bridge, filling first colors with different concentrations in the outline of each part of the first image, and forming a second image; the method specifically comprises the following steps:
when the residual service life of the part is larger than a first preset value, filling a first outline corresponding to the part in the first image with a first color with a first preset concentration;
when the residual life of the part is less than or equal to a first preset value and greater than a second preset value, filling a first outline corresponding to the part in the first image with a first color with a second preset concentration;
when the residual life of the part is less than or equal to a second preset value and greater than a third preset value, filling a first contour corresponding to the part in the first image with a first color with a third preset density;
when the residual life of the part is less than or equal to a third preset value, filling a first outline corresponding to the part in the first image with a first color with a fourth preset concentration;
step S33: acquiring stress detection conditions of each part of the bridge, filling second colors with different concentrations in the outline of each part of the first image, and forming a third image, wherein the stress detection conditions specifically comprise the following steps:
when the stress detection value of the part is larger than a first preset stress value, filling a second contour, corresponding to the stress detection sensor, in the first image with a second color with a first preset concentration;
when the stress detection value of the part is smaller than or equal to a first preset stress value and larger than a second preset stress value, filling a second contour corresponding to the stress detection sensor in the first image with a second color with a second preset concentration;
when the stress detection value of the part is smaller than or equal to a second preset stress value and larger than a third preset stress value, filling a second contour corresponding to the stress detection sensor in the first image with a second color with a third preset concentration;
when the stress detection value of the part is smaller than or equal to a third preset stress value, filling a second contour, corresponding to the stress detection sensor, in the first image with a second color of a fourth preset concentration;
step S34: obtaining maintenance conditions of all parts of the bridge, filling third colors with different concentrations in the outline of all parts of the first image, and forming a fourth image; the method specifically comprises the following steps:
when the maintenance time of the component is greater than a first preset time value, filling a third contour, corresponding to the component, in the first image with a third color with a first preset concentration;
when the maintenance time of the component is less than or equal to a first preset time value and greater than a second preset time value, filling a third contour corresponding to the component in the first image with a third color with a second preset concentration;
when the maintenance time of the component is less than or equal to a second preset time value and greater than a third preset time value, filling a third contour corresponding to the component in the first image with a third color with a third preset concentration;
and when the maintenance time of the part is less than or equal to a third preset time value, filling a third contour corresponding to the part in the first image with a third color with a fourth preset density.
Preferably, the bridge monitoring system based on the BIM-GIS further comprises a plurality of display terminals, wherein the display terminals are in communication connection with the server and are used for displaying the first image, the second image, the third image or the fourth image;
the server also performs operations comprising:
acquiring a user viewing instruction through a display terminal, and controlling the display terminal to display a first image or a second image or a third image or a fourth image according to the instruction; the viewing instructions include: one of viewing the first image, viewing the second image, viewing the third image, and viewing the fourth image;
generating a control layer according to an image displayed by a display terminal, wherein the control layer is transparent; the control layer is suspended above the image displayed by the display terminal; the control layer comprises a plurality of first control areas, and the first control areas correspond to the areas of all parts of the bridge in the image displayed by the display terminal one to one;
receiving a click instruction of a user through a first control area of a control layer, and controlling a display terminal to amplify the area of the component to a preset size;
when the area of the component is enlarged to a preset size and a rotation instruction of a user is received through a control graphic layer, controlling the display terminal to rotate the component and performing transparent processing on the parts except the component;
when the area of the component is enlarged to the preset size, receiving a detailed instruction of a user for checking the component through the control layer, marking the area of the component according to the size and the material of the component, and displaying the area of the component through the display terminal.
Preferably, the server acquires stress values of each component of the detected bridge through the bridge operation and maintenance management subsystem, and the execution includes the following operations:
sampling data detected by a stress detection sensor for multiple times within a first preset time period to obtain at least one first sample value;
calculating a stress value based on the at least one first sample value, the calculation formula being as follows;
wherein F represents a stress value, FαDenotes the alpha first sample value, Fα+1Denotes the α +1 th first sample value, tαIndicates the time, t, corresponding to the alpha-th first sample valueα+1Representing the moment corresponding to the alpha +1 th first sample value, b is a preset value, and M is the sampling frequency of the first sample value;
acquiring multiple stress values within a second preset time period to generate at least one second sample value;
calculating the fluctuation between the at least one second sample value according to the following formula:
wherein beta is a stable value, FiAnd when beta is greater than a preset stable value, discarding the obtained stress value, and obtaining the stress value again.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a bridge monitoring system based on BIM-GIS in the embodiment of the present invention;
fig. 2 is a diagram illustrating an operation procedure of a server according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides a bridge monitoring system based on BIM-GIS, as shown in fig. 1 and fig. 2, comprising: the bridge operation and maintenance management subsystem 2 and the server 1, the server executes the following operations:
step S1: acquiring structural data of a bridge and geographic environment data around the bridge;
step S2: generating a building information model based on a BIM technology and a GIS technology according to the structural data and the geographic environment data;
step S3: and acquiring the operation and maintenance information of the bridge through the bridge operation and maintenance management subsystem 2, and determining the bridge state data based on the operation and maintenance information and the building information model.
The working principle and the beneficial effects of the technical scheme are as follows:
the server 1 of the bridge monitoring system based on the BIM-GIS acquires structural data of a bridge and geographic environment data around the bridge; bridge mechanism data and geographic environment data are input into the server 1 mainly through personnel; then the server 1 generates a building information model based on a BIM technology and a GIS technology according to the structural data and the geographic environment data; generating a building information model as a 3D holographic model; and finally, the server 1 acquires the operation and maintenance information of the bridge through the bridge operation and maintenance management subsystem 2, and determines the bridge state data based on the operation and maintenance information and the building information model.
The bridge monitoring system based on the BIM-GIS explores management and maintenance application of the BIM-GIS technology in the operation and maintenance stage of bridge engineering. The bridge monitoring system based on the BIM-GIS firstly establishes a three-dimensional entity attached information model, manages and analyzes the internal structure of the bridge through a parameterization drive calculation and structured information storage and sharing mechanism, manages and constructs the external system of the bridge by combining the advantages of the GIS technology on geographic information analysis and spatial information analysis, and calls static information and dynamic information of the bridge in real time through a bridge operation and maintenance management system to achieve the purpose of visualization of bridge detection and monitoring, thereby providing high-efficiency data information of the operation state of the bridge structure, establishing good bridge management, monitoring and maintenance and realizing the full life cycle management of the bridge.
In one embodiment, the structure data includes:
the size of each component of the bridge, the material of each component of the bridge, the connection position of each component of the bridge, the connection mode between each component and the service life of each component.
The working principle and the beneficial effects of the technical scheme are as follows:
building information models are built based on the sizes of all parts of the bridge, the materials of all parts of the bridge, the connection positions of all parts of the bridge, the connection modes among all parts and the service lives of all parts, and the built building information models are more fit with actual situations.
In one embodiment, the geographic environmental data includes: one or more of wind speed, humidity, river channel size, river flow rate, air temperature, wind direction, solar radiation, gas and gas content, and rainfall.
The working principle and the beneficial effects of the technical scheme are as follows:
building information models are built based on wind speed, humidity, river channel size, river flow rate, air temperature, wind direction, solar radiation, gas and gas content and rainfall, and the built building information models are more fit with the actual geographic environment. Specifically, buildings such as a river channel are added to the building information model, and data such as wind speed are marked.
In one embodiment, the building information model includes: the three-dimensional entity is attached with an information model.
In one embodiment, the operation and maintenance information includes: static information and dynamic information.
Wherein the static information includes: the size of each component of the bridge, the material of each component of the bridge, the connection position of each component of the bridge, the connection mode between each component, the service life of each component, the building information around the bridge position, the river information, the replacement condition and the maintenance condition of each component of the bridge.
The dynamic information includes: the traffic data of the bridge, the stress value of each part of the bridge, the wind speed, the wind direction, the humidity, the river flow rate, the air temperature, the solar radiation, the gas and gas content and the rainfall are combined.
The working principle and the beneficial effects of the technical scheme are as follows:
the operation and maintenance information of the bridge is obtained through the bridge operation and maintenance management subsystem 2, and the bridge state data is determined based on the operation and maintenance information and the building information model, so that on one hand, the established building model is optimized, and on the other hand, the building model is updated.
In one embodiment, step S2: generating a building information model based on a BIM technology and a GIS technology according to the structural data and the geographic environment data; the method specifically comprises the following steps:
step S21: establishing an initial model according to the structural data of the bridge and based on a BIM technology;
step S22: generating GIS data according to the geographic environment data around the bridge and based on the GIS technology;
step S23: and optimizing the initial model based on the GIS data to obtain a building information model.
The working principle and the beneficial effects of the technical scheme are as follows:
and optimizing the initial model based on GIS data to ensure the accuracy of the building information model and fit the actual situation.
In one embodiment, step S3: the operation and maintenance information of the bridge is obtained through the bridge operation and maintenance management subsystem 2, and bridge state data is output based on the operation and maintenance information and the building information model, and the method specifically comprises the following steps:
step S31: taking the building information model as a first image;
step S32: acquiring the service life condition of each part of the bridge, filling first colors with different concentrations in the outline of each part of the first image, and forming a second image;
step S33: acquiring stress detection conditions of all parts of the bridge, filling second colors with different concentrations in the outline of all parts of the first image, and forming a third image;
step S34: obtaining maintenance conditions of all parts of the bridge, filling third colors with different concentrations in the outline of all parts of the first image, and forming a fourth image;
the working principle and the beneficial effects of the technical scheme are as follows:
the first image is the established basic 3D model, the second image is used for filling a first color on the basis of the basic 3D model to display the service life condition of each part, the third image is used for filling a second color on the basis of the basic 3D model to display the stress detection condition of each part, and the fourth image is used for filling a third color on the basis of the basic 3D model to display the maintenance condition of each part.
Wherein, step S32: acquiring the service life condition of each part of the bridge, filling first colors with different concentrations in the outline of each part of the first image, and forming a second image; the method specifically comprises the following steps:
when the residual service life of the part is larger than a first preset value, filling a first outline corresponding to the part in the first image with a first color with a first preset concentration;
when the residual life of the part is less than or equal to a first preset value and greater than a second preset value, filling a first outline corresponding to the part in the first image with a first color with a second preset concentration;
when the residual life of the part is less than or equal to a second preset value and greater than a third preset value, filling a first contour corresponding to the part in the first image with a first color with a third preset density;
when the residual life of the part is less than or equal to a third preset value, filling a first outline corresponding to the part in the first image with a first color with a fourth preset density;
the working principle and the beneficial effects of the technical scheme are as follows:
the first color with different concentrations is filled, so that a user can visually know the service life conditions of each part, for example, the first preset concentration to the fourth preset concentration are sequentially concentrated for the first color. The first contour may be a boundary of each component or a preset position of each component. For example, the first to third preset values may be 30 years, 10 years, 1 month, respectively, and the first to fourth preset concentrations may be 10%, 40%, 80%, and 100%, respectively.
Step S33: acquiring stress detection conditions of each part of the bridge, filling second colors with different concentrations in the outline of each part of the first image, and forming a third image, wherein the stress detection conditions specifically comprise the following steps:
when the stress detection value of the part is larger than a first preset stress value, filling a second contour, corresponding to the stress detection sensor, in the first image with a second color with a first preset concentration;
when the stress detection value of the part is smaller than or equal to a first preset stress value and larger than a second preset stress value, filling a second contour corresponding to the stress detection sensor in the first image with a second color with a second preset concentration;
when the stress detection value of the part is smaller than or equal to a second preset stress value and larger than a third preset stress value, filling a second contour corresponding to the stress detection sensor in the first image with a second color with a third preset concentration;
when the stress detection value of the part is smaller than or equal to a third preset stress value, filling a second contour, corresponding to the stress detection sensor, in the first image with a second color of a fourth preset concentration;
the working principle and the beneficial effects of the technical scheme are as follows:
the stress value conditions of all parts can be intuitively known by a user through the filling of the second colors with different concentrations, for example, the first preset concentration to the fourth preset concentration are sequentially concentrated for the second color. The second contour may be a boundary of each component or a preset position of each component. For example, the first to fourth preset concentrations may be 10%, 40%, 80%, and 100%, respectively.
Step S34: obtaining maintenance conditions of all parts of the bridge, filling third colors with different concentrations in the outline of all parts of the first image, and forming a fourth image; the method specifically comprises the following steps:
when the maintenance time of the component is greater than a first preset time value, filling a third contour, corresponding to the component, in the first image with a third color with a first preset concentration;
when the maintenance time of the component is less than or equal to a first preset time value and greater than a second preset time value, filling a third contour corresponding to the component in the first image with a third color with a second preset concentration;
when the maintenance time of the part is less than or equal to a second preset time value and greater than a third preset time value, filling a third contour corresponding to the part in the first image with a third color with a third preset concentration;
and when the maintenance time of the part is less than or equal to a third preset time value, filling a third contour corresponding to the part in the first image with a third color with a fourth preset density.
The working principle and the beneficial effects of the technical scheme are as follows:
the maintenance condition of each part can be intuitively known by a user through the filling of the third color with different concentrations, for example, the first preset concentration to the fourth preset concentration are sequentially concentrated for the second color. The third contour may be a boundary of each component or a preset position of each component. For example, the first to fourth preset concentrations may be 10%, 40%, 80%, and 100%, respectively.
In one embodiment, the bridge monitoring system based on the BIM-GIS further comprises a plurality of display terminals, wherein the display terminals are in communication connection with the server 1 and used for displaying the first image, the second image, the third image or the fourth image;
the server 1 also performs operations including:
acquiring a user viewing instruction through a display terminal, and controlling the display terminal to display a first image, a second image, a third image or a fourth image according to the instruction; the viewing instructions include: one of viewing the first image, viewing the second image, viewing the third image, and viewing the fourth image;
generating a control layer according to an image displayed by a display terminal, wherein the control layer is transparent; the control layer is suspended above the image displayed by the display terminal; the control layer comprises a plurality of first control areas, and the first control areas correspond to the areas of all parts of the bridge in the image displayed by the display terminal one to one;
receiving a click instruction of a user through a first control area of a control layer, and controlling a display terminal to amplify the area of the component to a preset size;
when the area of the component is enlarged to a preset size and a rotation instruction of a user is received through a control graphic layer, controlling the display terminal to rotate the component and performing transparent processing on the parts except the component; the user can conveniently and independently view the components.
When the area of the component is enlarged to the preset size, receiving a detailed instruction of a user for checking the component through the control layer, marking the area of the component according to the size and the material of the component, and displaying the area of the component through the display terminal.
The working principle and the beneficial effects of the technical scheme are as follows:
a user uses the display terminal to view the 3D model of the bridge, multiple viewing requirements of the user are achieved through at least four 3D models, and display of the models is controlled through the control layer during viewing. For example, when the display terminal is a PC computer, the rotation command of the user may be a sliding pulley; the detail instruction of the user for viewing the part is that the right key is pressed for more than 3 seconds; the click command of the user may be a long press of the left key for 3 seconds or more.
In one embodiment, the server 1 obtains stress values of each component of the detection bridge through the bridge operation and maintenance management subsystem 2, and the execution includes the following operations:
sampling data detected by a stress detection sensor for multiple times within a first preset time period to obtain at least one first sample value;
calculating a stress value based on the at least one first sample value, the calculation formula being as follows;
wherein F represents a stress value, FαDenotes the alpha first sample value, Fα+1Denotes the α +1 th first sample value, tαIndicates the time, t, corresponding to the alpha-th first sample valueα+1Representing the moment corresponding to the alpha +1 th first sample value, b is a preset value, and M is the sampling frequency of the first sample value;
acquiring multiple stress values within a second preset time period to generate at least one second sample value;
calculating the fluctuation between the at least one second sample value according to the following formula:
wherein beta is a stable value, FiAnd when beta is greater than a preset stable value, discarding the obtained stress value, and obtaining the stress value again.
The working principle and the beneficial effects of the technical scheme are as follows:
the embodiment improves the accuracy of the bridge monitoring system based on the BIM-GIS from two aspects: the stress value is calculated through the data detected by the stress detection sensor for multiple times, and the influence on the stress value caused by the error of single sample data is prevented, so that the fluctuation of the stress value acquired from the bridge operation and maintenance management subsystem 2 of the bridge monitoring system based on the BIM-GIS is reduced; secondly, calculating the fluctuation between continuous stress values; the stress value with errors in the detection process is prevented, and the fluctuation of the bridge monitoring system based on the BIM-GIS is further reduced.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A bridge monitoring system based on BIM-GIS comprises: the bridge operation and maintenance management subsystem and the server are characterized in that the server executes the following operations:
step S1: acquiring structural data of a bridge and geographic environment data around the bridge;
step S2: generating a building information model based on a BIM technology and a GIS technology according to the structural data and the geographic environment data;
step S3: acquiring operation and maintenance information of the bridge through a bridge operation and maintenance management subsystem, and determining bridge state data based on the operation and maintenance information and the building information model;
wherein the step S3: the method comprises the steps of obtaining operation and maintenance information of a bridge through a bridge operation and maintenance management subsystem, and outputting bridge state data based on the operation and maintenance information and a building information model, and specifically comprises the following steps:
step S31: taking the building information model as a first image;
step S32: acquiring the service life condition of each part of the bridge, and filling first colors with different concentrations in the outline of each part of the first image to form a second image;
step S33: acquiring stress detection conditions of all parts of the bridge, and filling second colors with different concentrations in the outline of each part of the first image to form a third image;
step S34: obtaining maintenance conditions of all parts of the bridge, and filling third colors with different concentrations in the outline of each part of the first image to form a fourth image;
wherein the step S32: acquiring the service life condition of each part of the bridge, and filling first colors with different concentrations in the outline of each part of the first image to form a second image; the method specifically comprises the following steps:
when the residual life of a part is greater than a first preset value, filling a first outline corresponding to the part in the first image with the first color with a first preset concentration;
when the residual life of a part is less than or equal to the first preset value and greater than a second preset value, filling a first outline corresponding to the part in the first image with the first color with a second preset density;
when the residual life of the part is less than or equal to the second preset value and greater than a third preset value, filling a first outline corresponding to the part in the first image with the first color at a third preset density;
when the residual life of a part is less than or equal to the third preset value, filling a first outline corresponding to the part in the first image with the first color of a fourth preset density;
the step S33: acquiring stress detection conditions of each part of the bridge, filling second colors with different concentrations in the outline of each part of the first image, and forming a third image, wherein the stress detection conditions specifically comprise the following steps:
when the stress detection value of the part is larger than a first preset stress value, filling a second contour, corresponding to the stress detection sensor, in the first image with the second color at a first preset concentration;
when the stress detection value of the part is smaller than or equal to the first preset stress value and larger than a second preset stress value, filling a second contour, corresponding to the stress detection sensor, in the first image with the second color at a second preset concentration;
when the stress detection value of the part is smaller than or equal to the second preset stress value and larger than a third preset stress value, filling a second contour, corresponding to the stress detection sensor, in the first image with the second color at a third preset concentration;
when the stress detection value of the component is smaller than or equal to the third preset stress value, filling a second contour, corresponding to the stress detection sensor, in the first image with a second color of a fourth preset concentration;
the step S34: obtaining maintenance conditions of all parts of the bridge, and filling third colors with different concentrations in the outline of each part of the first image to form a fourth image; the method specifically comprises the following steps:
when the maintenance time of the part is greater than a first preset time value, filling a third contour corresponding to the part in the first image with the third color at a first preset concentration;
when the maintenance time of the component is less than or equal to the first preset time value and greater than a second preset time value, filling a third contour, corresponding to the component, in the first image with the third color at a second preset concentration;
when the maintenance time of the component is less than or equal to the second preset time value and greater than a third preset time value, filling a third contour, corresponding to the component, in the first image with a third color at a third preset concentration;
and when the maintenance time of the component is less than or equal to the third preset time value, filling a third outline corresponding to the component in the first image with the third color with a fourth preset density.
2. The BIM-GIS based bridge monitoring system of claim 1, wherein the structural data includes:
the size of each component of the bridge, the material of each component of the bridge, the connection position of each component of the bridge, the connection mode between each component and the service life of each component.
3. The BIM-GIS based bridge monitoring system of claim 1, wherein the geographic environmental data includes: one or more of wind speed, humidity, river channel size, river flow rate, air temperature, wind direction, solar radiation, gas and gas content, and rainfall.
4. The BIM-GIS based bridge monitoring system of claim 1, wherein the building information model comprises: the three-dimensional entity is attached with an information model.
5. The BIM-GIS based bridge monitoring system of claim 1, wherein the operation and maintenance information comprises: static information and dynamic information.
6. The BIM-GIS based bridge monitoring system of claim 5, wherein the static information includes: one or more combinations of the size of each component of the bridge, the material of each component of the bridge, the connection position of each component of the bridge, the connection mode between each component, the service life of each component, building information around the position of the bridge, river information, the replacement condition and maintenance condition of each component of the bridge;
the dynamic information includes: the traffic data of the bridge, the stress value of each part of the bridge, the wind speed, the wind direction, the humidity, the river flow rate, the air temperature, the solar radiation, the gas and gas content and the rainfall are combined.
7. The BIM-GIS based bridge monitoring system according to claim 1, wherein the step S2: generating a building information model based on a BIM technology and a GIS technology according to the structural data and the geographic environment data; the method specifically comprises the following steps:
step S21: establishing an initial model according to the structural data of the bridge and based on a BIM technology;
step S22: generating GIS data according to the geographic environment data around the bridge and based on a GIS technology;
step S23: and optimizing the initial model based on the GIS data to obtain the building information model.
8. The BIM-GIS based bridge monitoring system according to claim 1, further comprising a plurality of display terminals in communication connection with the server for displaying the first image, the second image, the third image or the fourth image;
the server further performs operations comprising:
acquiring a user viewing instruction through the display terminal, and controlling the display terminal to display the first image, the second image, the third image or the fourth image according to the instruction; the viewing instructions include: one of viewing the first image, viewing the second image, viewing the third image, and viewing the fourth image;
generating a control layer according to the image displayed by the display terminal, wherein the control layer is transparent; the control layer is suspended above the image displayed by the display terminal; the control layer comprises a plurality of first control areas, and the first control areas correspond to the areas of all parts of the bridge in the image displayed by the display terminal one to one;
receiving a click instruction of a user through a first control area of the control layer, and controlling the display terminal to amplify the area of the component to a preset size;
when the area of the component is enlarged to a preset size and a rotation instruction of a user is received through the control graphic layer, controlling the display terminal to rotate the component and performing transparent processing on the parts except the component;
when the area of the component is enlarged to a preset size, receiving an instruction of a user for checking details of the component through the control graphic layer, marking the area of the component according to the size and the material of the component, and displaying the area of the component through the display terminal.
9. The BIM-GIS based bridge monitoring system according to claim 1, wherein the server obtains stress values of each component of the bridge through the bridge operation and maintenance management subsystem, and the execution comprises the following operations:
sampling data detected by a stress detection sensor for multiple times within a first preset time period to obtain at least one first sample value;
calculating the stress value based on at least one first sample value, wherein the calculation formula is as follows;
wherein F represents the stress value, FαDenotes the alpha-th of said first sample value, Fα+1Represents the alpha +1 th of said first sample value, tαRepresents the time corresponding to the alpha-th first sample value, tα+1Representing the moment corresponding to the alpha +1 th first sample value, b being a preset value, and M being the sampling frequency of the first sample value;
acquiring the stress value for multiple times within a second preset time period, and generating at least one second sample value;
calculating the fluctuation between the at least one second sample value according to the following formula:
wherein beta is a stable value, FiAnd representing the ith second sample value, N representing the number of times of adoption of the second sample value, and discarding the obtained stress value and obtaining the stress value again when the beta is greater than a preset stable value.
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| CN110516303A (en) * | 2019-07-24 | 2019-11-29 | 浙江兴土桥梁临时钢结构工程有限公司 | Bridge construction management method for visualizing and device based on lightweight BIM |
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